Chevrolet · GMC · Holden · Buick — fault codes starting with P1

Fault codes

916

Block

P1

Make group

Chevrolet · GMC · Holden · Buick

Source language

English

The 916 Chevrolet · GMC · Holden · Buick fault codes that start with P1, with descriptions.

P10

Code	Description
P1000	Fuel Pump Driver Control Module Reset Signal Message Counter Configuration Mismatch
P1001	KOER Test Cannot Be Completed
P1002	EVAP Purge Valve, Output From Control Module High
P1005	Fuel Level Sensor Control Module Too Many Resets
P1006	Engine Coolant Flow Control Valve Actuator Control Circuit Shorted
P1007	Fuel Pump Driver Control Module Ignition on/Start Switch Circuit Voltage High
P1009	Fuel Pump Driver Control Module Temperature High Signal Message Counter Configuration Mismatch
P100B	Turbocharger/Supercharger Boost Control Initial Position Learn Value Exceeded Learning Limit
P100C	Battery Sensor Module Temperature Erratic
P100D	Battery Sensor Module Internal Temperature Circuit Erratic
P1012	Injector Cyl. No 1 Shorting To Battery +
P1014	Exhaust Camshaft Position Actuator Park Position Bank 2
P1015	Reductant Control Module Sensor Serial Communication Circuit Voltage Low
P1016	Reductant Control Module Sensor Serial Communication Circuit Voltage High
P1021	Injector Cyl. No 2 Shorting To Ground
P1022	Injector Cyl. No 2 Shorting To Battery +
P1029	Fuel Pump Motor Phase U-V-W Circuits
P102A	Fuel Pump Motor Phase U-V-W Circuits Circuit Voltage Low
P1031	HO2S Heater Current Monitor Control Circuit Sensors 1; Heated Oxygen Sensor (HO2S) Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1
P1032	HO2S Heater Warm Up Control Circuit Sensors 1
P1035	ABS control module - communication malfunction
P1039	Vehicle Speed Signal Missing or Improper
P103B	O2 Sensor Heater Supply Voltage Sensing Circuit Range/Performance
P103C	O2 Sensor Heater Supply Voltage Sensing Circuit Voltage Low
P1041	Injector Cyl. No 4 Shorting To Ground
P1042	Injector Cyl. No 4 Shorting To Battery +
P1048	Reductant Injector High Control Circuit Voltage Low
P1050	Reductant Level Sensor Invalid Circuit Range/Performance
P1051	Brake Switch Signal Missing or Improper
P1052	Injector Cyl. No 5 Shorting To Ground
P105A	Reductant Pump Low Speed
P105D	Stop/Start Capacitor Temperature Sensor Signal Implausible
P1066	Stop/Start Capacitor Control Module Status Message Counter Configuration Mismatch
P1067	Stop/Start Capacitor Control Module Circuit Range/Performance
P1068	Stop/Start Capacitor Life Exceeded
P106E	Stop-Start Capacitor State of Health
P106F	Stop/Start Capacitor Control Module Self Test Incomplete
P1074	Stop/Start Capacitor Control Module Long Term Memory Reset
P1082	Fuel Filter Pressure Sensor Circuit Range/Performance
P1089	Fuel Rail Pressure Circuit Range/Performance
P1098	Engine Coolant Control Valve Position Sensor Minimum Stop Circuit Range/Performance
P10A0	Engine Coolant Control Valve Actuator Circuit Voltage High
P10A1	Engine Coolant Control Valve Actuator Control Circuit Shorted
P10A3	Cylinder 1 Injection Pulse Offset Exceeded Minimum Learning Limit
P10A5	Cylinder 2 Injection Pulse Offset Exceeded Minimum Learning Limit
P10A7	Cylinder 3 Injection Pulse Offset Exceeded Minimum Learning Limit
P10A9	Cylinder 4 Injection Pulse Offset Exceeded Minimum Learning Limit
P10BA	Charge Air Cooler Coolant Pump Speed Circuit Range/Performance
P10BC	Barometric Pressure Sensors 1-2 Signal Implausible
P10CE	Exhaust Aftertreatment Fuel Injector High Control Circuit Voltage High
P10D0	Reductant Injector Temperature - Exhaust Gas Temperature 2 Signal Implausible
P10D5	Charge Air Cooler Outlet Temperature Sensor Circuit Range/Performance
P10D7	Charge Air Cooler Temperature Sensor 2 Circuit Voltage High
P10D8	Charge Air Cooler Temperature Sensor 2 Circuit Erratic
P10DA	Reductant Control Module Ignition and Start Switch Circuit Voltage High
P10E1	Ignition on/Start Circuit Source Bypass Relay Control Circuit
P10E2	Ignition on/Start Circuit Source Bypass Relay Control / Voltage Low
P10E4	Ignition on/Start Circuit Source Bypass Relay Control / Range/Performance
P10F4	Reductant Control Module Configuration Mismatch

P11

Code	Description
P1100	Fuel Level Sensor 2 Signal Message Counter Configuration Mismatch
P1101	Mass Air Flow System Circuit Range/Performance
P1103	Water in Fuel Signal Message Counter Configuration Mismatch
P1105	Secondary Vacuum Sensor Circuit; Open or Shorted Condition Detected in the Baro Read Solenoid Control Circuit
P1106	MAP Sensor Circuit Intermittent / Voltage High
P1107	MAP Sensor Circuit Intermittent / Voltage Low
P1108	BARO to MAP Sensor Comparison Voltage Too High
P1109	Secondary Port Throttle System
P1110	Engine High Intake Air Temperature Condition
P1111	IAT Sensor Circuit Intermittent / Voltage High
P1112	IAT Sensor Circuit Intermittent / Voltage Low
P1113	Intake Resonance Switchover Valve Circuit
P1114	ECT Sensor Circuit Intermittent / Voltage Low
P1115	ECT Sensor Circuit Intermittent / Voltage High
P1116	Engine Coolant Temperature Signal Unstable or Circuit Intermittent
P1117	Engine Coolant Temperature Signal Out of Range Circuit Voltage Low
P1118	Engine Coolant Temperature Signal Out of Range Circuit Voltage High
P1119	ECT Signal Out of Rage with TFT Sensor
P111E	Engine Coolant Temperature Sensor Signal Implausible
P1120	Throttle Position (TP) Sensor 1 Circuit
P1121	TP Sensor Circuit Voltage High
P1122	TP Sensor Circuit Intermittent / Voltage Low
P1125	Accelerator Pedal Position (APP) System; APP Sensors Signal Out of Range
P1127	Open Loop CO Adjust Circuit
P112D	Intake Air Temperature (Intake Air Temperature) Sensor 3 Circuit Voltage High
P112F	Radiator Coolant Temperature Sensor Signal Implausible
P1130	O2 Sensor Low Signal Variance (Bank 1 - Sensor 1)
P1131	O2 Sensor Low Signal Variance (Bank 1 - Sensor 2)
P1132	HO2S Circuit Voltage Low
P1133	HO2S Insufficient Switching
P1134	HO2S Transition Time Ratio
P1135	O2 Sensor Circuit - Mean Voltage Level Lean (Bank 1 - Sensor 1)
P1136	O2 Sensor Circuit - Mean Voltage Level Rich (Bank 1 - Sensor 1)
P1137	HO2S Bank 1 Sensor 2 Lean or Circuit Voltage Low; HO2S-12 Circuit Voltage Low
P1138	HO2S (Sensor 2) Voltage Too High
P1139	HO2S Insufficient Switching Bank 1 Sensor 2
P113A	Exhaust Gas Temperature Sensors 3-4 Signal Implausible
P113B	Exhaust Gas Temperature Sensor 1 Signal Implausible
P113C	Exhaust Gas Temperature Sensor 2 Signal Implausible
P113D	Exhaust Gas Temperature Sensor 3 Signal Implausible
P113E	Exhaust Gas Temperature Sensor 4 Signal Implausible
P113F	Exhaust Gas Temperature Sensor 5 Signal Implausible
P1140	HO2S Transition Time Ratio Bank 1 Sensor 2
P1141	O2 Sensor Circuit - Mean Voltage Level Lean (Bank 1 - Sensor 2)
P1142	O2 Sensor Circuit - Mean Voltage Level Rich (Bank 1 - Sensor 2)
P1143	O2 Sensor System Monitor - Lean System or Circuit Voltage Low
P1144	O2 Sensor System Monitor - Rich System or Circuit Voltage High
P1145	HO2S Cross Counts Bank 1 Sensor 3
P1153	O2 Sensor Insufficient Switching Bank 2 Sensor 1
P1154	O2 Sensor Circuit - Transition Switch Time Ratio (Bank 2 - Sensor 1)
P1155	O2 Sensor Circuit - Mean Voltage Level Lean (Bank 2 - Sensor 1)
P1156	O2 Sensor Circuit - Mean Voltage Level Rich (Bank 2 - Sensor 1)
P1157	O2 Sensor System Monitor - Lean System or Circuit Voltage Low
P1158	O2 Sensor System Monitor - Rich System or Circuit Voltage High
P1159	O2 Sensor System - Too Few O2 Sensor R/L and L/R Switches. (Bank 2 - Sensor 2)
P1161	HO2S Heater Power Stage Circuit Bank 2 Sensor 2
P1163	HO2S Bank 2 Sensor 3 Lean System Or Low Voltage
P1164	HO2S Bank 2 Sensor 3 Rich Or High Voltage
P1165	HO2S Cross Counts Bank 2 Sensor 2
P1166	HO2S Circuit Voltage Low
P1167	HO2S Circuit Voltage High
P1168	O2 Sensor System Circuit Voltage Low
P1169	O2 Sensor System Circuit Voltage High
P1170	Bank to Bank Fuel Trim Offset
P1171	Fuel System Lean During Acceleration
P1172	Fuel Transfer Pump Flow Insufficient
P1173	Limitation of Injection Quantity
P1174	Fuel Trim Cylinder Balance
P1176	Fuel Pump Driver Control Module 5V Reference 1 Circuit
P1177	Fuel Pump Driver Control Module 5V Reference 2 Circuit
P1178	Fuel Pump Driver Control Module Fuel Level Sensor 1 Internal Supply Circuit
P1180	Engine High Fuel Temperature Condition
P1185	Engine Oil Temperature Circuit
P1186	EOT Circuit Range/Performance
P1189	Engine Oil Pressure Switch Circuit
P118B	DPF Sensor Temperature Sensor Circuit Range/Performance
P118C	Low-Voltage Battery Current Sensor Circuit Voltage Low
P118E	Exhaust Gas Temperature Sensor Circuit Range/Performance
P118F	Exhaust Gas Temperature Sensor 2 Circuit Range/Performance
P1190	Engine Vacuum Leak
P1191	Intake Air Duct Air Leak
P1195	Engine Low Oil Pressure Condition
P1196	Exhaust Gas Temperature Sensor 3 Circuit Range/Performance
P1197	Exhaust Gas Temperature Sensor 4 Circuit Range/Performance
P1198	Exhaust Gas Temperature Sensor 5 Circuit Range/Performance
P11A9	O2 Sensor Circuit Range/Performance
P11B3	O2 Sensor Circuit Range/Performance
P11B5	O2 Sensor Current Circuit Range/Performance
P11C2	Intake Air Humidity Sensor Circuit Voltage Low
P11C3	Intake Air Humidity Sensor Circuit Voltage High
P11C4	Intake Air Humidity Sensor Circuit Erratic
P11C7	NOx Sensor 2 Heater Ground Circuit
P11CB	NOx Sensor 1 Performance - Signal Circuit Voltage High
P11CC	NOx Sensor 1 Performance - Signal Circuit Voltage Low
P11D3	NOx Sensor 1 Exceeded Minimum Learning Limit
P11D5	NOx Sensor 2 Exceeded Minimum Learning Limit
P11DB	NOx Sensor 1 Current Circuit Range/Performance
P11DC	NOx Sensor 2 Current Circuit Range/Performance
P11FF	Fuel Pump Command Signal Message Counter Configuration Mismatch

P12

Code	Description
P1200	Fuel Level Sensor 1 Signal Message Counter Configuration Mismatch
P1201	Gas Mass Sensor Circuit Range/Performance
P1202	Gas Mass Flow Sensor Low Frequency
P1203	Gas Mass Flow Sensor High Frequency
P1207	AIR Pump Relay, Output From Control Module High
P1211	Mass Air Flow Circuit Intermittent / Voltage High
P1212	Mass Air Flow Circuit Intermittent / Voltage Low
P1214	Injection Pump Timing Offset
P1215	GFD Indication
P1216	Fuel Solenoid Response Time Too Short
P1217	Fuel Solenoid Response Time Too Long
P1218	Injection Pump Calibration Circuit
P1219	Throttle Position Sensor Reference Voltage Circuit Fault
P121A	Mass Air Flow (Mass Air Flow) Sensor Supply Voltage Control Circuit
P121B	Mass Air Flow (Mass Air Flow) Sensor Supply Voltage Control Circuit Voltage Low
P1220	Throttle Position (TP) Sensor 2 Circuit
P1221	TP Sensor 2 Signal Correlation; Fuel Pump Secondary System Circuit Voltage Low
P1222	Injector Control Circuit Intermittent
P1225	Injector Circuit Intermittent - Cylinder 2
P1228	Injector Circuit Intermittent - Cylinder 3
P122D	Mass Air Flow Control Valve Position Sensor Exceeded Learning Limit
P1231	Injector Circuit Intermittent - Cylinder 4
P1234	Injector Circuit Intermittent - Cylinder 5
P1237	Injector Circuit Intermittent - Cylinder 6
P1240	Injector Circuit Intermittent - Cylinder 7
P1243	Injector Circuit Intermittent - Cylinder 8
P1245	Intake Plenum Switchover Valve
P1246	Intake Resonance Switchover Valve Circuit
P124D	Cylinder 6 Injector High Control Circuit Shorted to Control Circuit
P124F	Cylinder 8 Injector High Control Circuit Shorted to Control Circuit
P1250	Early Fuel Evaporation Heater Circuit
P1255	Fuel Pump Control Module Driver Over-temperature
P1257	Supercharger System Overboost
P1258	Engine Coolant Overtemperature Protection Mode Active
P1260	Fuel Pump Speed Control Circuit
P1270	Accelerator Pedal Position Sensor Analog to Digital Converter Circuit Fault
P1271	APP Sensor 1 2 Circuit Range/Performance; APP Sensors 1 and 2 Signal Out of Range
P1272	Accelerator Pedal Position Sensor 2; APP Sensors 2 and 3 Signal Out of Range
P1273	Accelerator Pedal Position Sensor 1; APP Sensors 1 and 3 Signal Out of Range
P1274	Injectors Wired Incorrectly
P1275	Accelerator Pedal Position APP Sensor 1 Circuit
P1276	Accelerator Pedal Position APP Sensor 1 Circuit Range/Performance
P1277	Accelerator Pedal Position Sensor 1 Circuit Voltage Low
P1278	Accelerator Pedal Position Sensor 1 Circuit Voltage High
P1279	Accelerator Pedal Position Sensor 1 Circuit Intermittent
P127C	Fuel Rail Pressure Sensor 2 Circuit Voltage Low
P127D	Fuel Rail Pressure Sensor 2 Circuit Voltage High
P1280	Accelerator Pedal Position APP Sensor 2 Circuit; Open or Shorted Condition Detected in the Fuel System Relay Control Circuit
P1281	Accelerator Pedal Position APP Sensor 2 Circuit Range/Performance; Engine Operating Temperature Below Acceptable Circuit Range/Performance
P1282	Accelerator Pedal Position Sensor 2 Circuit Voltage Low
P1283	Accelerator Pedal Position Sensor 2 Circuit Voltage High
P1284	Accelerator Pedal Position Sensor 2 Circuit Intermittent
P1285	Accelerator Pedal Position APP Sensor 3 Circuit; TP Sensor 3 Improper Voltage
P1286	Accelerator Pedal Position APP Sensor 3 Circuit Range/Performance; Accelerator Pedal Position Sensor Supply Voltage Too High
P1287	Accelerator Pedal Position Sensor 3 Circuit Voltage Low
P1288	Accelerator Pedal Position Sensor 3 Circuit Voltage High
P1289	Accelerator Pedal Position Sensor 3 Circuit Intermittent
P128D	Fuel Rail Temperature Sensor 2 Signal Message Counter Configuration Mismatch
P128E	Fuel Rail Pressure Circuit Range/Performance
P128F	Fuel Rail Pressure Sensors 1 and 2 Signals Message Counter Configuration Mismatch
P129B	Fuel Pump Power Control Module System Voltage Circuit Voltage Low
P129C	Fuel Pump Driver Control Module System Voltage Circuit Voltage High
P129D	Fuel Pump Driver Control Module Ignition on/Start Switch Circuit Voltage Low
P129F	Fuel Pump Driver Control Module Fuel Pump Speed Signal Configuration Mismatch
P12A6	Fuel Pump Driver Control Module Enable Circuit Range/Performance
P12A8	Fuel Pump Control Status Signal Message Counter Configuration Mismatch
P12B8	Cylinder 3 Injection Timing Advanced
P12C0	Cylinder 7 Injection Timing Advanced
P12C2	Cylinder 8 Injection Timing Advanced
P12E3	Cylinder Deactivation Exhaust Control Valve Control Circuit
P12E7	Cylinder Deactivation Exhaust Control Valve Feedback Circuit Voltage Low
P12E9	Cylinder Deactivation Exhaust Flow Control Valve Open Position Circuit Range/Performance
P12EA	Cylinder Deactivation Exhaust Control Valve - Position Signal Exceeds Upper Limit; Cylinder Deactivation Exhaust Flow Control Valve Closed Position Circuit Range/Performance
P12EB	Cylinder Deactivation Exhaust Control Valve Feedback Circuit Voltage Low
P12EC	Cylinder Deactivation Exhaust Flow Control Valve Feedback Circuit Voltage High
P12F0	Cylinder Deactivation Exhaust Control Valve Stuck Circuit Open
P12F2	Cylinder Deactivation Exhaust Flow Control Valve Circuit Range/Performance
P12F4	Cylinder Deactivation Exhaust Control Valve Feedback Circuit Voltage Low
P12F5	Cylinder Deactivation Exhaust Control Valve Feedback Circuit Voltage High
P12F6	Cylinder Deactivation Exhaust Control Valve - Position Signal Exceeds Lower Limit Bank 2
P12F7	Cylinder Deactivation Exhaust Flow Control Valve Closed Position Circuit Range/Performance
P12F8	Cylinder Deactivation Exhaust Control Valve Feedback Circuit Voltage Low
P12F9	Cylinder Deactivation Exhaust Flow Control Valve Feedback Circuit Voltage High
P12FC	Cylinder Deactivation Exhaust Control Valve Stuck Closed Bank 2
P12FD	Cylinder Deactivation Exhaust Control Valve Stuck Open Bank 2
P12FE	Cylinder Deactivation Exhaust Flow Control Valve Position Not Learned Bank 2
P12FF	Cylinder Deactivation Exhaust Flow Control Valve Circuit Range/Performance

P13

Code	Description
P1305	Ignition Coil 2 Primary Feedback Circuit
P1310	Ignition Coil 3 Primary Feedback Circuit
P1311	Ignition Coil "A" Primary/Secondary Circuit
P1312	Ignition Coil "B" Primary/Secondary Circuit
P1313	Ignition Coil 3 Primary/Secondary Circuit
P1314	Ignition Coil 4 Primary/Secondary Circuit
P1315	Ignition Coil 4 Primary Feedback Circuit
P1316	Ignition Coil 6 Primary/Secondary Circuit
P1317	Ignition Coil 'G' Primary/Secondary Circuit
P1318	Ignition Coil "H" Primary/Secondary Circuit
P1320	IC Module 4X Ref Circuit Intermittent, No Pulses; IC 4X Reference Circuit Intermittent
P1321	Electronic Ignition System Fault Line
P1322	EI System Or Ignition Control Missing; EI System or Ignition Control Extra or Missing
P1323	24X Reference Circuit Low Frequency; IC 24X Reference Circuit Low Frequency
P1324	Crank RPM Too Low
P1325	CKP Circuit; Crankshaft Position Reluctor Wheel Performance; Crankshaft Position Reluctor Wheel Performance; Crankshaft Position Reluctor Wheel Performance; Crankshaft Position Reluctor Wheel Performance
P1326	Knock control, cylinder 1 - control limit reached
P1327	Knock control, cylinder 2 - control limit reached
P1328	Knock control, cylinder 3 - control limit reached
P1329	Knock control, cylinder 4 - control limit reached
P1334	Combustion Detection Cyl. 3 + 4. Open Circuit / Short to B +.
P1336	Crankshaft Position (CKP) System Variation Not Learned
P1337	Glow Plug Offset Not Learned
P1338	Cylinder 1 Glow Plug Offset Exceeded Learning Limit
P1339	Cylinder 2 Glow Plug Offset Exceeded Learning Limit
P133A	Cylinder 3 Glow Plug Offset Exceeded Learning Limit
P133B	Cylinder 4 Glow Plug Offset Exceeded Learning Limit
P133C	Cylinder 5 Glow Plug Offset Exceeded Learning Limit
P133D	Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133E	Cylinder 7 Glow Plug Offset Exceeded Learning Limit
P133F	Cylinder 8 Glow Plug Offset Exceeded Learning Limit
P1340	Ignition System Cylinder Identifier
P1345	Crankshaft/Camshaft Correlation Circuit Fault
P1346	Intake Camshaft Position System Circuit Range/Performance
P1350	Ignition Contol System; Bypass Line Monitor Circuit Fault
P1351	IC Circuit High Voltage
P1352	IC Output High Pulse Detected When Grounded Cyl 2; ICM Signal Circuit Voltage High
P1353	IC Output High Pulse Detected When Grounded Cyl 3
P1354	IC Output High Pulse Detected When Grounded Cyl 4
P1355	IC Output High Pulse Detected When Grounded Cyl 5
P1356	IC Output High/Pulse Detected When Grounded Cyl.6; IC Output High/Pulse Detected when GND_Cyl. 6
P1357	IC Output High/Pulse Detected When Grounded Cyl.7; IC Output High/Pulse Detected when GND_Cyl. 7
P1358	IC Output High/Pulse Detected When Grounded Cyl.8; IC Output High/Pulse Detected when GND_Cyl. 8
P1359	Ignition Control Circuit Group A; Ignition Coil Group 1 Control Circuit
P135B	Ignition Coil Supply Voltage Circuit Bank 2
P135C	Cooling Fan 1 Status Signals Message Counter Configuration Mismatch
P135D	Cooling Fan 2 Status Signals Message Counter Configuration Mismatch
P1360	Ignition Control Circuit Group B
P1361	EST Not Toggling After Enabled - Cylinder 1
P1362	EST Not Toggling After Enabled - Cylinder 2
P1363	IC Cylinder 3 Not Toggling After Enable
P1364	IC Cylinder 4 Not Toggling After Enable
P1365	IC Cylinder 5 Not Toggling After Enable
P1366	IC Cylinder 6 Not Toggling AFter Enable
P1367	IC Cylinder 7 Not Toggling After Enable
P1368	IC Cylinder 8 Not Toggling After Enable
P1370	IC Module 4X Reference Circuit Too Many Pulses
P1371	DI Low Resolution Circuit; IC Module 4X Reference Circuit Too Few Pulses
P1372	Crankshaft Position Sensor Circuits Circuit Range/Performance
P1374	3X Reference Circuit
P1375	24X Reference Circuit Voltage High
P1376	Ignition Ground Circuit
P1377	IC Module CAM Pulse To 4X Reference Pulse Comparison; IC Cam Pulse To 4X Reference Pulse
P1380	Misfire Detected - Rough Road Data Not Available
P1381	Misfire Detected - No Communication with Brake Control Module
P1382	ABS Control Module Circuit Range/Performance
P1384	Charge Air Cooler Coolant Pump Backup Enable Circuit Range/Performance
P138C	Warm Catalyst Heating Combustion Mode Circuit Range/Performance
P1390	Wheel Speed Sensor Circuit; Timing Belt Skipped One Tooth or More
P1391	Wheel Speed Sensor 1 G-Sensor Circuit Range/Performance; Intermittent Loss of CMP or CKP
P1392	Wheel Speed Sensor 1 / Accelerometer Circuit Voltage Low
P1393	Wheel Speed Sensor 1 / Accelerometer Circuit Voltage High
P1394	Wheel Speed Sensor 1 G-Sensor Circuit Intermittent
P1395	Wheel Speed Sensor 2 G-Sensor Circuit
P1396	Wheel Speed Sensor 2 / Accelerometer Circuit Range/Performance
P1397	Wheel Speed Sensor 2 / Accelerometer Circuit Voltage Low
P1398	Wheel Speed Sensor 2 G-Sensor Circuit Voltage High; PCM Is Unable to Learn the Crankshaft Position Sensor's Signal
P1399	Wheel Speed Sensor 2 G-Sensor Circuit Intermittent; Wait to Start Lamp Circuit Open
P139A	Glow Plug Control Module Diagnostic Status Signal 1 Message Counter Configuration Mismatch
P139B	Glow Plug Control Module Diagnostic Status Signal 2 Message Counter Configuration Mismatch

P14

Code	Description
P1400	Cold Start Emission Reduction Control System
P1403	Exhaust Gas Recirculation Solenoid Circuit Voltage Low
P1404	Exhaust Gas Recirculation System - Closed Valve Pintle Circuit Fault
P1405	Exhaust Gas Recirculation Solenoid Circuit Voltage High
P1406	EGR Valve Pintle Position Circuit
P1408	Exhaust Gas Recirculation Vacuum System
P1409	Exhaust Gas Recirculation Vacuum System Leak/Low Supply
P140B	Exhaust Gas Recirculation Slow Response - Increasing Flow
P140C	Exhaust Gas Recirculation Valve Slow Response - Decreasing Flow
P1410	Fuel Tank Pressure System
P1415	Secondary Air Injection AIR System
P1416	AIR System Bank 1
P1418	Secondary Air Injection System Relay a Control Circuit Voltage High
P1420	Intake Air Low Pressure Switch Circuit Voltage Low
P1421	Intake Air Low Pressure Switch Circuit Voltage High
P1422	Intake Air High Pressure Switch Circuit Voltage Low
P1423	Intake Air High Pressure Switch Circuit Voltage High
P1428	Exhaust Gas Recirculation Temperature Sensor and Intake Air Temperature 2 Sensor Correlation
P142A	Exhaust Gas Recirculation Temperature Sensor 2 and Intake Air Temperature Sensor 2 Correlation
P1431	Fuel Level Sensor 2 Performance; Fuel Level Sensor 2 Circuit Performance
P1432	Fuel Level Sensor 2 Circuit Low Voltage
P1433	Fuel Level Sensor 2 Circuit Voltage High; Secondary Fuel Level Signal Voltage Too High
P1434	Fuel Level Sensor 1 Reference Feedback Circuit Range/Performance
P1436	DPF Sensor Control Module Temperature Signal Message Counter Configuration Mismatch
P143E	Fuel Level Sensor 2 Reference Feedback Circuit Range/Performance
P1440	Input Brake Clutch Actuator Control Circuit
P1441	Evaporative Emission (EVAP) System Flow During Non-Purge
P1442	Purge Solenoid Diagnostic Vacuum Switch
P1443	Evaporative Emission Control System Purge Control Valve 2 Circuit
P1445	Fuel Heated Catalyst System Bank 1
P144E	Closed Loop Diesel Particulate Filter Regeneration Control at Limit - Stage 2 Low Temperature
P1450	Barometric Pressure Sensor Circuit
P1451	Barometric Pressure Sensor Circuit Range/Performance
P1452	Catalyst Heater Diagnostic
P1453	Catalyst Heater Diagnostic
P1454	Catalyst Heater Diagnostic
P1455	Catalyst Heater Diagnostic
P1456	Catalyst Heater Diagnostic
P1457	Catalyst Heater Diagnostic
P1458	Catalyst Heater Diagnostic
P1459	Catalyst Heater Diagnostic
P1460	Cooling Fan Control System; Misfire Detected with Low Fuel
P1465	Reductant Control Module System Voltage Circuit Voltage Low
P1466	Reductant Control Module System Voltage Circuit Voltage High
P1467	EVAP Purge Pump Underspeed
P146A	EVAP Purge Pump Speed Voltage Too High
P146B	EVAP Purge Pump System Circuit Range/Performance
P146C	Evaporative Emission Canister Purge Pump Circuit Range/Performance
P146D	EVAP Purge System Pressure Sensor Circuit Voltage Low
P146E	EVAP Purge System Pressure Sensor Circuit Voltage High
P146F	EVAP Purge System Pressure Sensor Circuit Range/Performance
P1475	DPF Sensor Sensing Element Supply Circuit Voltage Low
P1476	DPF Sensor Sensing Element Supply Circuit Voltage High
P1478	DPF Sensor Temperature Circuit Voltage High
P147B	DPF Sensor Shunt Circuit Voltage High
P1480	Cooling Fan 1 Control Circuit Voltage High; PCV Solenoid Valve Open or Circuit Shorted
P1483	Engine Cooling System Circuit Range/Performance; Catalyst Temperature Sensor Circuit Shorted / Voltage High
P1485	Cooling Fan Output Circuit
P1486	Cooling Fan Output Circuit Voltage Low
P1488	DPF Sensor Protection Tube Circuit Range/Performance
P1490	Evaporative Emission Canister Purge Pump Voltage Sensor Circuit Range/Performance
P1498	DPF Control Module Internal Supply Voltage Circuit
P149B	Engine Coolant Temperature Sensor 3 Signal Implausible
P149C	Engine Coolant Temperature Sensor 4 Signal Implausible
P149D	Engine Coolant Temperature Sensor 5 Signal Implausible
P14A0	Charge Air Cooler Coolant Pump Status Signal Message Counter Configuration Mismatch
P14A5	Exhaust Gas Recirculation 2 Slow Response - Increasing Flow
P14CD	Fuel Pump Driver Control Module Configuration Command Signal 1 Message Counter Configuration Mismatch
P14CE	Fuel Pump Driver Control Module Configuration Status Signal Message Counter Configuration Mismatch
P14D7	Auxiliary Engine Coolant Fan Underspeed
P14D9	NOx Sensor Exceeded Minimum Learning Limit Bank 1 Sensor 3

P15

Code	Description
P1500	Starter Signal Circuit
P1501	Vehicle Speed Sensor Circuit Intermittent
P1502	Theft Deterrent System Signal Expected Message Missing
P1503	Theft Deterrent System Password Configuration Mismatch
P1504	Aux Vehicle Speed Output Circuit
P1505	Starter Relay Circuit
P1506	Starter Relay Circuit Voltage Low
P1507	Starter Relay Circuit Voltage High
P1508	Idle Speed Low - IAC System Not Responding; IAC System Low RPM
P1509	Idle Speed High - IAC System Not Responding; IAC System High RPM
P150B	Transmission Output Speed Signal Circuit
P150C	Transmission Control Module Engine Speed Request Signal Message Counter Incorrect
P150D	Supply Voltage 2 Circuit Voltage Low
P150E	Supply Voltage 1 Circuit Voltage Low
P1510	Throttle Control System - Throttle Limitation Active; Back UP Power Supply
P1511	Throttle Control System Backup System Circuit Range/Performance; Idle Speed Control (ISC) Motor Control Circuit
P1512	Throttle Control System - Minimum Throttle Position
P1513	EBTCM to PCM Drag Reduction Request Input Circuit
P1514	Throttle Actuator Control System Mass Air Flow Correlation Circuit Fault
P1515	Control Module Throttle Actuator Position Circuit Range/Performance
P1516	Throttle Actuator Control (TAC) Module Throttle Actuator Position Circuit Range/Performance
P1517	Throttle Actuator Control Module Circuit Range/Performance
P1518	Throttle Actuator Control Module Serial Data Circuit Fault
P1519	Throttle Actuator Control Module
P151C	Air Conditioning (a/C) Refrigerant Pressure Sensor 2 Signal Implausible
P151E	Active Grille Air Shutter 1 Actuator Signal Message Counter Configuration Mismatch
P151F	Active Grille Air Shutter 2 Actuator Signal Message Counter Configuration Mismatch
P1520	Transmission Range Switch Circuit Fault; Gear Indicator System
P1521	Transmission Engaged at High Throttle Angle
P1522	Park Neutral to Drive Reverse at High RPM
P1523	Throttle Closed Position Circuit Range/Performance; TAC Module Return Circuit Range/Performance
P1524	Throttle Position Sensor Out of Adjustment
P1525	Throttle Body Service Required
P1526	TPS Learn Not Done After Reprogramming
P1527	Transmission Range Pressure Switch Comparison
P1529	Heated Windshield Request Problem
P152D	Regenerative Braking Control Switch 1 and 2 Circuit
P1530	Ignition Timing Adjustment Switch Circuit; Air Conditioning Head Pressure Switch Circuit Fault
P1531	A/C Temperature Sensor Circuit
P1532	A/C Evaporative Temperature Sensor Circuit Voltage Low
P1533	A/C Evaporative Temperature Sensor Circuit Voltage High
P1534	A/C High Side Temerature Sensor Circuit Voltage Low
P1535	A/C Circuit Voltage High
P1536	A/C Coolant Over Temperature
P1537	Very Low Refrigerant Pressure
P1538	A/C Request Shorted Circuit Voltage High
P1539	Air Conditioning Clutch Status Circuit Voltage High
P153B	Air Conditioning Evaporator Temperature Sensor Signal Implausible
P1540	A/C System High Pressure
P1541	A/C High Side Over Temperature
P1542	A/C System High Pressure High Temperature
P1543	Low Refrigerant Condition
P1544	A/C Refrigerant Condition Very Low
P1545	A/C Clutch Relay Control Circuit; Air Conditioning Clutch Relay Control Circuit Fault
P1546	A/C Clutch Status Circuit Voltage Low
P1547	A/C System Circuit Range/Performance
P1548	A/C Recirculation Circuit
P1549	A/C 'Mode' Circuit Voltage High
P154A	Intake Air Heater Feedback Circuit
P154B	Intake Air Heater Voltage Signal Circuit
P154C	Intake Air Heater Current Signal Circuit
P154D	Intake Air Heater Temperature Signal Circuit
P1550	Stepper Motor Cruise Control Circuit Fault; FICM Detects Circuit Voltage Low
P1551	Electronic throttle system (ETS), engine torque monitoring - continuously above limit
P1553	Idle Air Control Valve, Close Function, Control Module Output, Short To B+
P1554	Cruise Engaged Circuit High Voltage; Cruise Control Feedback Circuit
P1555	Electronic Variable Orifice Output
P1558	Cruise Control Servo Indicates Low
P1559	Cruise Control Power Mangement Mode; Cruise Control Power Management Mode
P155A	Cruise Control Switch State Undetermined
P155D	Hill Descent Control Message Counter Configuration Mismatch
P1560	Cruise Control System-Transaxle Not In Drive; Transaxle Not in Drive - Cruise Control Disabled
P1561	Cruise Vent Solenoid
P1562	Cruise Vacuum Solenoid
P1563	Cruise Vehicle Speed/Set Speed Difference Too High
P1564	Cruise Control System - Vehicle Accel Too High; Vehicle Acceleration Too High - Cruise Control Disabled
P1565	Cruise Servo Position Sensor
P1566	Cruise Control System Engine RPM Voltage Too High
P1567	Cruise Control System Active Braking Control Active; Cruise Switches Circuit Fault
P1568	Cruise Control Servo Stroke Greater Than Commanded in Cruise
P1569	Cruise Servo Stroke High While Not In Cruise; Cruise Servo Stroke High While not in Cruise
P156A	Air Conditioning Refrigerant High Pressure When a/C Off
P1570	Cruise Control System-Traction Control Active; Traction Control Active - Cruise Control Disabled
P1571	TCS PWM Circuit No Frequency; Traction Control System Desired Torque Out-Of Circuit Range/Performance
P1572	ASR Active Circuit Voltage Low; Traction Control System Circuit Voltage Low
P1573	Loss of ABS Serial Data
P1574	Stoplamp Switch Circuit
P1575	Extended Travel Brake Switch Circuit
P1576	Shorted Brake Booster Vacuum Sensor Circuit
P1577	Open Brake Booster Vacuum Sensor Circuit
P1578	BBV Sensor Circuit Voltage Low
P1579	P/N to D/R at High Throttle Angle
P157A	Sensor Supply Voltage Relay Feedback Circuit Voltage High
P157B	Distance Sensing Cruise Control Requested Torque Signal Message Counter Configuration Mismatch
P1580	Cruise Control Move Circuit Voltage Low
P1581	Cruise Control Move Circuit Voltage High
P1582	Cruise Control Direction Circuit Voltage Low
P1583	Cruise Direction Circuit Voltage High
P1584	Cruise Control Disabled
P1585	Cruise Inhibit Control Circuit; Cruise Control Brake Switch 2 Circuit Fault
P1586	Cruise Control Brake Switch 2 Circuit
P1587	Cruise Control Clutch Control Circuit Voltage Low
P1588	Cruise Control Clutch Control Circuit Voltage High
P1589	Lane Keep Assist Switch Circuit
P1590	Ignition switch, supply voltage - out of limits
P1598	Power Take-Off (PTO) Engine Speed Request Signal Message Counter Configuration Mismatch
P1599	Engine Stall Or Near Stall Detected; Engine Stall or Near Stall Detected
P159F	Fuel Economy Mode Switch Circuit Voltage Low
P15A0	Fuel Economy Mode Switch Circuit Voltage High
P15A1	Fuel Economy Mode Switch Circuit Range/Performance
P15A3	Stop/Start Select Switch Circuit Signal Message Counter Incorrect
P15C5	Engine Coolant Bypass Valve Position Sensor Circuit Range/Performance
P15C8	Electric a/C Compressor Data Message Counter Configuration Mismatch
P15C9	Electric a/C Compressor Status Message Counter Configuration Mismatch
P15CA	Electric a/C Compressor Sensors Signal Message Counter Configuration Mismatch
P15CB	Electric a/C Compressor Sensors Status Message Counter Configuration Mismatch
P15F6	Front Object Detection Control Module Torque Request Signal Message Counter Configuration Mismatch
P15F8	Automatic Braking Engine Torque Request Signal Message Counter Configuration Mismatch
P15FD	Wheel Speed Sensor Message Sequence Configuration Mismatch
P15FF	Battery Sensor Signal Message Counter Configuration Mismatch

P16

Code	Description
P1600	PCM Battery; Control Module Long Term Memory Circuit Range/Performance
P1601	Serial Communication Problem with Device 1; ECM (PCM) Over-Temperature Circuit Fault
P1602	Loss of EBTCM Serial Data; Communication Lost with Brake/Traction Control (EBTCM) System
P1603	Serial Communication with Device 3 (SIR, Supplemental Inflatable Restraint)
P1604	Loss of Instrument Cluster (IPC) Serial Data; Communication Lost with Driver Information and Displays Control (Instrument Cluster (IPC))
P1605	Loss of Climate Control (HVAC) Serial Data; Communication Lost with Climate Control (HVAC) Control System
P1606	Serial Communication Problem with Device 6
P1608	Serial Communication Problem with Device 8
P1609	Loss of TCS Serial Data
P160A	Vehicle Speed Limit Not Programmed
P160D	Incorrect Engine Calibration Detected
P160E	Engine Calibration Monitoring Not Programmed
P1610	Loss of PZM Serial Data; Communication Lost with Body Multiple Control (BCM) System
P1611	Loss of CVRTD Serial Data; Engine Controls Ignition Relay Control Circuit Voltage Low
P1612	Loss of IPM Serial Data
P1613	Loss of DIM Serial Data
P1614	Loss of RIM Serial Data
P1615	Loss of VTD Serial Data
P1617	Engine Oil Level Switch Circuit
P1618	Serial Peripheral Interface PCM Internal Communication Circuit Fault
P1619	Engine Oil Life Monitor Reset Circuit
P161C	Engine control module (ECM) - tyre size not programmed
P161F	Assembly Plant Mode Counter Not Programmed
P1620	Low Coolant Circuit
P1621	Total EEPROM Circuit Fault
P1622	Cylinder Select
P1623	Transmission Temperature Pull-Up Resistor
P1624	Customer Snapshot Data Available
P1625	PCM System Reset
P1626	Theft Deterrent Fuel Enable Signal Lost; Theft Deterrent System Fuel Enable Circuit Fault
P1627	A/D Circuit Fault
P1628	Engine Coolant Temperature Pull-Up Resistor Failed
P1629	Anti-Theft Device - Cranking Signal
P1630	Theft Deterrent Learn Mode Active; System Voltage Circuit Fault
P1631	Theft Deterrent Start Enable Signal Not Correct; Theft Deterrent System - Learn Mode Enable
P1632	Theft Deterrent System Fuel Disabled
P1633	Ignition Supply Power Circuit Voltage Low
P1634	Ignition 1 Switch Circuit; Improper Ignition 1 Signal Voltage
P1635	5 Voltage Reference 1 Circuit
P1636	PCM Stack Overrun
P1637	Generator L-Terminal Circuit
P1638	Generator F-Terminal Circuit
P1639	5 Voltage Reference 'B' Circuit Voltage Low
P163A	Control Module Fuel Pressure Regulator 1 Control System Circuitry Circuit Range/Performance
P163C	Glow Plug Control Module Primary Circuit
P163D	Glow Plug Control Module Secondary Circuit
P1640	Driver 1 Input Circuit Voltage High; Output Driver Module 'A' Circuit Fault
P1641	Add on Heater, Circuit (Circuit 2)
P1642	FC Relay 2 and 3 Control Circuit; FC Relay 2 and 3 Control Circuit; Vehicle Speed Output Circuit
P1643	Engine Speed (RPM) Output Circuit Fault; Engine Speed Output Circuit
P1644	Traction Control Delivered Torque Output Circuit; ABS Control Module (EBCM) Invalid Torque Signal
P1645	QDM / ODM 'A' - Output 5
P1646	Driver 1 Line 6; Evaporative Emission (EVAP) Vent Solenoid Control Circuit
P1647	Driver 1 Line 7
P1648	Anti-Theft Device - Wrong Security Code
P1649	Anti-Theft Device - No Key/Security Code Programmed
P1650	Driver 2 Input Circuit Voltage High; Output Driver Module 'B' Circuit Fault
P1651	Fan 1 Relay Control Circuit
P1652	Powertrain Induced Chassis Pitch Output Circuit; Cooling Fan 2 Relay Control Circuit Malfunctions
P1653	Oil Level Lamp Control Circuit; EGR Vent Solenoid Control Circuit Fault
P1654	Service Throttle Soon Lamp Control Circuit; A/C Relay Control Circuit Fault
P1655	EVAP Purge Solenoid Control Circuit
P1656	Driver 2 Line 6; Engine oil pressure warning lamp - circuit malfunction
P1657	1-4 Upshift Solenoid Control Circuit
P1658	Starter Enable Relay Control Circuit
P1659	Engine Over speed Lamp Control Circuit
P1660	Cooling Fans Control Circuit; Output Driver 3 Input Voltage Circuit Voltage High
P1661	MIL Control Circuit
P1662	Cruise Control Inhibit Control Circuit
P1663	Oil Life Lamp Control Circuit
P1664	1-4 Upshift Lamp Control Circuit
P1665	Driver 3 Line 5
P1666	Driver 3 Line 6; Heated oxygen sensor (HO2S) 1, bank 1 - malfunction
P1667	Reverse Inhibit Solenoid Control Circuit
P1669	ABS Unit Expected
P166B	Intake Air Heater Overtemperature
P1670	Output Driver 4 Input Voltage Circuit Voltage High
P1671	QDM / ODM 'D' - Output 1
P1672	Low Engine Oil Level Lamp Control Circuit
P1673	Engine Hot Lamp Control Circuit
P1674	Tachometer Control Circuit
P1675	EVAP Vent Solenoid Control Circuit
P1676	Driver 4 Line 6
P1677	Driver 4 Line 7; Engine control module (ECM), immobilizer - programming error
P1678	Engine control module (ECM), immobilizer - identification malfunction
P1679	Engine control module (ECM)/multifunction control module - communication error
P1680	Control Module Circuit Range/Performance
P1681	Control Module Circuit Range/Performance
P1682	Ignition 1 Switch Circuit 2
P1689	Delivered Torque Circuit Fault; ABS Control Module (EBCM) Invalid Torque Signal
P1690	ECM Loop Overrun; Fuel Injection Pump CKP Sensor Does Not Agree with ECM CKP Sensor
P1691	Coolant Gauge Circuit Voltage Low
P1692	Coolant Gauge Circuit Voltage High
P1693	Tachometer Circuit Voltage Low
P1694	Tachometer Circuit Voltage High
P1695	Remote Keyless Entry Circuit Low
P1696	Remote Keyless Entry Voltage High
P1697	PZM Disabled Fuel
P1698	Class II Down Disabled Fuel
P1699	In Fail Enable Mode
P16A1	Sensor Communication Circuit Voltage High
P16A7	Engine Controls Ignition Relay Feedback Circuit 2
P16A8	Glow Plug Control Module Temperature - Intake Air Heater Temperature Signal Implausible
P16AB	Intake Air Heater Temperature Sensor Circuit Voltage High
P16AF	Engine Controls Ignition Relay Feedback 2 Circuit Voltage Low
P16B3	Engine Controls Ignition Relay Feedback 2 Circuit Voltage High
P16BC	Engine Controls Ignition Supply Voltage Feedback Circuit 3
P16BD	Engine Controls Ignition Supply Voltage Feedback 3 Circuit Voltage Low
P16BF	Engine Controls Ignition Supply Voltage Feedback 3 Circuit Voltage High
P16CF	Intake Rocker Arm Solenoid Valve 2 Control Circuit
P16D0	Intake Rocker Arm Solenoid Valve 2 Stuck Off
P16D2	Intake Rocker Arm Solenoid Valve 2 Control Circuit Voltage Low
P16D4	Battery Sensor Internal Circuit Voltage Low
P16D5	Battery Sensor Internal Circuit Voltage High
P16D6	Battery Sensor Current Voltage Too Low
P16D7	Sensor Bus Relay Control Circuit
P16D8	Sensor Bus Relay Control Circuit Voltage Low
P16D9	Sensor Bus Relay Control Circuit Voltage High
P16DC	Battery Sensor Module Timer Circuit Range/Performance
P16DD	Battery Sensor Current Voltage Too High
P16DF	Battery Sensor Internal Temperature Circuit Voltage High
P16E0	Engine Circuit Range/Performance
P16E1	Battery Sensor Random Access Memory
P16E2	Battery Sensor Read Only Memory
P16E3	Battery Sensor Calibration Configuration Mismatch
P16E4	Sensor Communication 3 Circuit Voltage Low
P16E5	Sensor Communication 3 Circuit Voltage High
P16E9	Control Module Serial Peripheral Interface Bus 2
P16F0	Control Module Serial Peripheral Interface Bus 1
P16F3	Control Module Redundant Memory Performance
P16F4	Control Module Transmission Range Switch Input Circuitry Circuit Range/Performance
P16FF	Engine Controls Ignition Relay Request Signal Message Counter Configuration Mismatch

P17

Code	Description
P1700	Transmission Control Module (TCM) Requested MIL Illumination; TCM Requested Circuit Fault
P1701	Pressure Switch 3 Circuit
P1702	Pressure Switch 3 Stuck Open Circuit Range/Performance
P1703	Pressure Switch 3 Circuit Voltage Low
P1704	Pressure Switch 3 Circuit Voltage High
P1705	Pressure Switch 4 Circuit
P1706	Pressure Switch 4 Stuck Open Circuit Range/Performance
P1707	Pressure Switch 4 Circuit Voltage Low
P1708	Pressure Switch 4 Circuit Voltage High
P1709	Pressure Switch "E" Circuit; Park/Neutral Position Switch Out of Self-Test Circuit Range/Performance
P170B	Solenoid Valve 2 Max Pressure Circuit Fault
P1710	Pressure Switch "E" Stuck Open / Performance
P1711	Pressure Switch Solenoid "E" Stuck Closed
P1712	Pressure Switch E Circuit Voltage High
P1713	Pressure Switch Reverse Circuit
P1714	Pressure Switch Reverse Stuck Circuit Open
P1715	Pressure Switch 'Reverse' Circuit Voltage Low
P1716	Pressure Switch 'Reverse' Circuit Voltage High
P1717	Incorrect 6th Gear Ratio
P1718	Incorrect Neutral Gear Ratio
P1719	Incorrect Shifting Detected (TCM)
P171A	Transmission Surge Solenoid Valve Circuit Open
P171B	Transmission Surge Solenoid Valve Circuit Voltage Low
P171D	Transmission Surge Accumulator System Circuit Range/Performance
P1720	Solenoid 1 Controlled Clutch Not Engaged
P1721	Solenoid 2 Controlled Clutch Not Engaged
P1722	Manual Selector Valve Controlled Clutch Not Engaged
P1723	Solenoid 1 Controlled Clutch Engaged
P1724	Solenoid 2 Controlled Clutch Engaged
P1725	Manual Selector Valve Controlled Clutch Not Engaged
P1730	Retarder Circuit
P1731	Retarder Circuit Voltage Low
P1732	Retarder Circuit Voltage High
P1733	Retarder Temperature Sensor Circuit Voltage Low
P1734	Retarder Temperature Sensor Circuit Voltage High
P1735	Retarder Over Temperature
P1736	Service Brake Input 'On' with VSS Indicated
P1737	Kick Down Circuit
P173F	Transmission Range Control Module 5V Reference 2 Circuit
P1740	Transmission Torque Reduction Request Circuit; Cruise Control Overdrive Cut Control Circuit Fault
P1741	Nsbu Mode 'A' Circuit Voltage Low
P1742	Nsbu Mode 'A' Circuit Voltage High
P1743	Nsbu Mode 'B' Circuit
P1744	Nsbu Mode 'B' Circuit Voltage Low
P1745	Nsbu Mode 'B' Circuit Voltage High
P1746	Nsbu Mode 'P' Circuit
P1747	Nsbu Mode 'P' Circuit Voltage Low
P1748	Nsbu Mode 'P' Circuit Voltage High
P1749	Nsbu Park/Neutral Switch Compare
P174B	Transmission Range Control Module Range Command Signal Message Counter Configuration Mismatch
P174C	Transmission Circuit Range/Performance; Transmission Range Control Module Wheel Speed Signal Message Counter Configuration Mismatch
P175E	Transmission Control System - Shift Limiting Active
P175F	Acceleration Sensor Signal Message Counter Configuration Mismatch
P1760	ECM Supply Voltage Interrupted; Transmission Position Sensor Signal
P1761	Up and Down Shift Switch Signal Circuit
P1762	Transmission Mode Switch Signal Message Counter Configuration Mismatch
P1766	Shift Solenoid D Performance
P1767	Up and Down Shift Switch 2 Circuit
P1769	Transmission Range Signal - Transmission Range Selector Shaft Position Sensor Signal Implausible
P176B	Intermediate Speed Sensor Circuit Range/Performance
P176C	Intermediate Speed Sensor Circuit Voltage Low
P1779	Engine Torque Delivered to TCM Signal; Engine Torque Data Circuit Range/Performance
P177F	Detected Gear Configuration Mismatch
P1780	Park Neutral Position Switch Circuit Fault; Engine Torque Signal Circuit Fault
P1781	TCM MIL Request Control Circuit
P1782	MIL Requested By TCM - Data Invalid
P1785	Shift Lock Solenoid Circuit Voltage Low
P1786	Shift Lock Solenoid Circuit Voltage High
P1787	Unexpected Range Change Detected
P1789	Current Transmission Circuit Range/Performance
P178A	Transmission Range Selector Shaft Position Sensor Circuit Range/Performance
P178B	Backup Park Lock Actuator Backup Power Supply Circuit Range/Performance
P178E	Backup Park Lock Actuator Arming Circuit Range/Performance
P1790	Transmission Control Module Checksum
P1791	Transmission Control Module Loop; Accelerator Pedal Position Information Expected Message Missing
P1792	TCM Reprogrammable Memory Circuit Fault
P1793	TCM Stack Overrun
P17A3	Transmission Shift Interlock Switch 1 Circuit Voltage Low
P17A4	Transmission Shift Interlock Switch Circuit Voltage High
P17A5	Transmission Shift Interlock Switch 1 Circuit Range/Performance
P17A7	Transmission Shift Interlock Switch 2 Circuit Voltage Low
P17A8	Transmission Shift Interlock Switch 2 Circuit Voltage High
P17A9	Transmission Shift Interlock Switch 2 Circuit Range/Performance
P17AE	Transmission Range Control Module Circuit Range/Performance
P17B0	Transmission Range Control Module System Voltage Circuit Voltage Low
P17B2	Transmission Range Control Module System Voltage Circuit Voltage High
P17B3	Transmission Range Control Module Ignition 1 Switch Circuit Voltage Low
P17B4	Transmission Range Control Module Ignition 1 Switch Circuit Voltage High
P17B5	Transmission Range Control Module Ignition Switch Accessory Position Circuit Voltage Low
P17BB	Transmission Range Control Module Range Motor Enable Circuit Voltage High
P17BD	Transmission Range Control Module Range Motor Circuit Voltage High
P17C5	Intermediate Speed Sensor 2 Direction Signal Invalid
P17C8	Transmission Range Control Module Range Motor Command Circuit Range/Performance
P17CC	Intermediate Speed Sensor 2 Circuit Voltage Low
P17D3	Intermediate Speed Sensor Direction Signal Invalid
P17D5	Transmission Range Control Slow Response
P17DB	Transmission Range Selector Controls Processor Circuit Range/Performance
P17DD	Transmission Range Selector Controls System Voltage Circuit Voltage Low
P17DE	Transmission Range Selector Controls System Voltage Circuit Range/Performance
P17DF	Transmission Range Selector Controls System Voltage Circuit Voltage High
P17E0	Transmission Range Selector Controls Ignition on/Start Switch Circuit Voltage Low
P17E5	Transmission Range Selector Switch 1 Circuit Range/Performance
P17E8	Transmission Range Selector Switch 2 Circuit Range/Performance
P17EB	Transmission Range Selector Switch 3 Circuit Range/Performance
P17F5	Transmission Park Valve Position Sensor Circuit
P17F8	Transmission Range Selector Switch 5 Circuit Range/Performance

P18

Code	Description
P1800	Transmission Power Relay Control Circuit
P1801	Performance Selector Switch Circuit Fault
P1804	Ground Control Relay
P1806	Transmission Range Selector Switch 7 Circuit Range/Performance
P180D	Transmission Range Selector Switch 8 Circuit Range/Performance
P1810	TFP Valve Position Switch Circuit
P1811	Maximum Adapt and Long Shift
P1812	Transmission Over Temperature Condition; Transmission Fluid Overtemperature
P1813	Torque Control
P1814	Torque Converter Overstressed
P1815	Transmission Range Switch Start in Wrong Circuit Range/Performance; A/T Manual Shaft Shift Switch Circuit Fault
P1816	TFP Valve Position Switch Park Neutral with Drive Ratio; A/T Input Shaft Speed Sensor Circuit Fault
P1817	Transmission Range Switch Rev W/Drive Ratio
P1818	TFP Valve Position Switch Drive Without Drive Ratio; A/T Manual Shaft Shift Switch Circuit Fault
P1819	Internal Mode Switch - No Start (4T65-E)
P1820	Internal Mode Switch Circuit a / Voltage Low; Internal Mode Switch Circuit a Low (Except 3.8L Monte Carlo)
P1821	Internal Mode Switch Mode 'B' Circuit Voltage Low
P1822	Internal Mode Switch Circuit B / Voltage High
P1823	Internal Mode Switch Circuit P / Voltage Low
P1824	Internal Mode Switch P Circuit Voltage High
P1825	Internal Mode Switch Illegal Circuit Range/Performance; Internal Mode Switch 'P' Circuit Voltage Low
P1826	Internal Mode Switch Circuit C / Voltage High; A/T Manual Shaft Shift Switch Invalid Signal (5L40-E)
P1827	Serial Communication - DKP Circuit Short to Ground
P1828	Serial Communication - DKP Shorted Circuit Voltage High
P1829	Serial Communication - TI Signal Line Circuit Open
P182A	Internal Mode Switch 1 Circuit Voltage Low
P182B	Internal Mode Switch 2 Circuit Voltage Low
P182D	Internal Mode Switch P Circuit Voltage Low
P182E	Internal Mode Switch Indicates Invalid Range
P1831	PC Solenoid Power Circuit Voltage Low; Pressure Control Solenoid Circuit Voltage Low
P1832	Pressure Control (PC)/Shift Lock Solenoid Control Circuit Voltage High; Pressure Control Solenoid Circuit Voltage High
P1833	TCC/Shift Solenoid Power Control Circuit Voltage Low
P1834	TCC/Shift Solenoid Power Control Circuit Voltage High
P1835	Kick-Down Switch
P1836	Kick-Down Switch Failed Circuit Open
P1837	Kick-Down Switch Failed Short
P1839	Internal Mode Switch Circuit Voltage Low
P1840	Internal Mode Switchs Circuit Voltage Low
P1842	1-2 Shift Solenoid Circuit Voltage Low
P1843	1-2 Shift Solenoid Circuit Voltage High
P1844	Torque Reduction Signal Circuit Desired By TCM
P1845	Torque Limiter
P1846	2-3 Shift Solenoid Circuit Voltage Low
P1847	2-3 Shift Solenoid Circuit Voltage High
P184C	Transmission Cooling Fan Control Circuit
P1850	Brake Band Apply Solenoid Circuit
P1851	Brake Band Apply Solenoid Circuit Range/Performance
P1852	Brake Band Apply Solenoid Circuit Voltage Low
P1853	Brake Band Apply Solenoid Circuit Voltage High
P1857	3-2 Solenoid Circuit Voltage Low
P1858	3-2 Solenoid Circuit Voltage High
P1860	Torque Converter Clutch PWM Solenoid Circuit
P1862	TCC Enable Solenoid Circuit Voltage Low
P1863	TCC Solenoid Circuit Short to Battery
P1864	Torque Converter Clutch Circuit; TCC Enable Solenoid Circuit Fault
P1865	Shift Solenoid 4-5 Circuit Voltage High
P1866	TCC PWM Solenoid Circuit Voltage Low
P1868	Transmission Fluid Life
P1870	Transmission Component Slipping; Transaxle Component Slipping (4T60-E)
P1873	Torque Converter Stator Temperature Switch Circuit Voltage Low
P1874	Torque Converter Stator Temperature Switch Circuit Voltage High
P1875	4WD Low Switch Circuit Electrical
P1876	Up and Down Shift Enable Switch Circuit Voltage Low
P187E	Transmission Park Valve Stuck Off
P1884	TCC Enable/Shift Light Circuit
P1886	Shift Timing Solenoid; 3-2 SS Valve Assembly Circuit Electrical
P1887	TCC Release Switch Circuit
P188B	Transmission Range Signal Message Counter Configuration Mismatch
P1891	Throttle Position Sensor PWM Signal Circuit Voltage Low
P1892	Throttle Position Sensor PWM Signal High
P1893	Engine Torque Signal Low Voltage
P1894	Engine Torque Signal High Voltage
P1895	TCM To ECM Torque Reduction Circuit
P1896	CAN data bus, ABS/TCM - torque request signal malfunction
P1897	Transmission Upshift Switch Circuit
P1898	Manual Shift Mode Switch Circuit
P189A	Four Wheel Drive Range Secondary Signal Message Counter Configuration Mismatch
P189C	Transmission Range Command Message Circuit Range/Performance
P189D	Transmission Park Position Switch 1 or 2 Stuck Off
P18A8	Transmission Park Valve Lock Solenoid Actuator Stuck Off
P18AB	Transmission Range Control Valve 1 Position Switch Circuit Stuck Off
P18AD	Transmission Range Control Valve 2 Position Switch Circuit Stuck Off
P18C4	Gate Select Position Signal Circuit Voltage Low
P18C6	Gear Shift Position Signal Circuit Voltage Low
P18CB	Parking Assist System Circuit Range/Performance
P18CD	Transmission Range Selector Switch 1 Signal Implausible
P18CF	Transmission Range Selector Switch 2 Signal Implausible
P18D1	Transmission Range Selector Switch 3 Signal Implausible
P18D7	Transmission Range Selector Switch 6 Signal Implausible
P18D9	Transmission Range Selector Switch 7 Signal Implausible
P18DB	Transmission Range Selector Switch 8 Signal Implausible
P18DD	Transmission Range Selector Switch 9 Signal Implausible
P18E1	Transmission Range Selector Switch 11 Signal Implausible
P18E2	Automatic Vehicle Hold Status Message Counter Configuration Mismatch

P19

Code	Description
P1911	Transmission Range Control Signal Feedback Signal Circuit Range/Performance
P1913	Drive Unit Park Control Actuator Driver Primary Supply Voltage Circuit Voltage Low
P1915	Internal Mode Switch Does Not Indicate Park/Neutral During Start
P1919	Transmission Neutral Locked Turbine Signal Message Counter Configuration Mismatch
P1923	No Bus Data From TCM
P1925	HEV Propulsion System Coolant Temperature Sensor 5 Circuit Range/Performance
P1939	Drive Unit Park Control Actuator Driver Isolated Supply Voltage Circuit Voltage Low
P193B	Drive Mode Select Switch Internal Circuit Range/Performance
P194F	Gear Selector Stuck Off
P1960	Odd Gear Clutch Safety Circuit Range/Performance
P1961	Even Gear Clutch Safety Circuit Range/Performance
P1964	Park System Safety Circuit Range/Performance
P1966	Electronic Limited Slip Differential Safety Circuit Range/Performance
P1967	Serial Data Message Safety Circuit Range/Performance
P1968	Serial Data Message Safety Circuit Range/Performance
P19FB	Hybrid/EV Electronics Coolant Pump Feedback Circuit Voltage Low
P19FC	Hybrid/EV Electronics Coolant Pump Feedback Circuit Range/Performance
P19FE	Hybrid/EV Battery Pack Coolant Pump Feedback Circuit Voltage Low

P1A

Code	Description
P1A0C	Battery Energy Control Module System Voltage Circuit Voltage Low
P1A56	Hybrid/EV System Voltage Discharge Circuit
P1A5E	Battery Energy Control Module Ignition on/Start Switch Circuit Voltage Low
P1A6F	Drive Motor No Crank at Restart
P1ADE	Drive Motor 1 Control Module System Voltage Circuit Voltage Low
P1AE0	Drive Motor 2 Control Module System Voltage Circuit Voltage Low
P1AE6	Battery Energy Control Module Hybrid/EV Battery Voltage Isolation Sensor Circuit
P1AEC	Drive Motor Control Module Hybrid/EV Battery Voltage Sense Circuit Voltage High
P1AEE	Drive Motor Control Module HEV Battery System Voltage Circuit Voltage High
P1AEF	Drive Motor 2 Control Module Hybrid/EV Battery System Voltage Circuit Voltage High
P1AF0	Drive Motor 1 Control Module Hybrid/EV Battery Voltage System Isolation Lost

P1B

Code	Description
P1B04	Drive Motor 2 Position Sensor Circuit Tracking Lost
P1B0B	Drive Motor Control Module Hybrid/EV Battery Voltage Isolation Sensing 2 Circuit Voltage Low
P1B0C	Drive Motor 1 Control Module Hybrid/EV Battery Voltage Isolation Sensing 2 Circuit Voltage High
P1B0D	Drive Motor Control Module Drive Motor Overspeed
P1B0F	Drive Motor 1 Position Learn Configuration Mismatch
P1B10	Drive Motor 2 Position Learn Configuration Mismatch
P1B34	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 1 Circuit Range/Performance
P1B35	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 2 Circuit Range/Performance
P1B36	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 3 Circuit Range/Performance
P1B37	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 4 Circuit Range/Performance
P1B38	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 5 Circuit Range/Performance
P1B39	Battery Energy Control Module Hybrid/EV Battery Voltage Balance Processor 6 Circuit Range/Performance
P1B3F	High Voltage System Interlock 2 Circuit Voltage Low
P1B44	Drive Motor 2 Control Module Hybrid/EV Battery Voltage Isolation Sensing 2 Circuit Voltage High

P1C

Code	Description
P1C01	Air Conditioning Compressor Motor Underspeed
P1C2E	Battery Charger Coupler Lock Driver Supply Circuit Voltage Low
P1C30	Reductant Injector 2 Temperature Sensor and Exhaust Gas Temperature Sensor Correlation
P1C4D	Charge Port Door Mechanical Circuit Range/Performance

P1E

Code	Description
P1E00	Hybrid Powertrain Control Module 2 Requested MIL Illumination
P1E0A	Drive Motor Control Module Torque Calculation Circuit Range/Performance
P1E19	Auxiliary Transmission Fluid Pump Control Module System Voltage Circuit Voltage Low
P1E1B	Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing Circuit Range/Performance
P1E1F	Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage Isolation Sensing 2 Circuit Voltage High
P1E22	Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery Voltage System Isolation Lost
P1E27	Auxiliary Transmission Fluid Pump Control Module Hybrid/EV Battery System Voltage Circuit Voltage High
P1E8D	Hybrid/EV Battery Pack Coolant Pump Enable Circuit Voltage High
P1EBD	Battery Charging System Contactors Stuck Circuit Open
P1EC6	Hybrid/EV Battery Pack Heater Circuit Range/Performance
P1ECE	Battery Charger Total Output Power Circuit Range/Performance
P1EE6	Battery Charger AC Voltage Not Present
P1EFC	Battery Charger Control Module System Voltage Circuit Voltage Low

P1F

Code	Description
P1F0A	A/C Compressor Motor Speed Circuit Range/Performance
P1F45	Hybrid/EV Electronics Coolant Pump Enable Circuit Voltage High
P1F58	Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Range/Performance
P1F59	14V Power Module Status Terminal Circuit Range/Performance
P1F64	Hybrid/EV System Voltage Discharge Circuit Voltage Low
P1FFD	Hybrid/EV Battery Pack Coolant Level Sensor Circuit Voltage High
P1FFE	Hybrid/EV Battery Pack Coolant Level Circuit Voltage Low
P1FFF	System Isolation / Coolant Level Sensor Circuit Fault

Other blocks

• C2Previous block
• All blocksChevrolet · GMC · Holden · Buick
• P3Next block

Makes that use these codes

• Chevrolet36 models
• GMC13 models
• Holden10 models
• Buick10 models
• Daewoo9 models
• Pontiac9 models
• Cadillac6 models
• Saturn6 models
• Oldsmobile4 models
• Hummer2 models

Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.