Honda · Acura fault codes

Fault codes

522

Source language

English

522 fault codes CarCoding recognises on Honda · Acura vehicles, with descriptions.

B1

Code	Description
B1000	Communication Bus Line Circuit Fault
B1001	Multiplex Integrated Control Unit (MICU) Internal Circuit Fault
B1002	Multiplex Integrated Control Unit (MICU) Internal Circuit Fault
B1005	MICU Lost Communication with Relay Control Module (RM Message)
B1006	MICU Lost Communication with Door Multiplex Control Unit
B1007	MICU Lost Communication with Combination Switch Control Unit (HLSW Message)
B1008	MICU Lost Communication with Gauge Control Module (a/T Message)
B1009	MICU Lost Communication with Combination Switch Control Unit
B1010	MICU Lost Communication with Door Multiplex Control Unit (Panic Message)
B1011	MICU Lost Communication with Gauge Control Module (VSP/NE Message)
B1012	MICU Lost Communication with Rear MICU (RJC Message)
B1013	MICU Lost Communication with Driver's MPCS Unit (ASLOCKSW Message)
B1014	MICU Lost Communication with Driver's MPCS Unit (DOORSW Message)
B1015	MICU Lost Communication with Driver's MPCS Unit (DRLOCKSW Message)
B1016	MICU Lost Communication with Keyless Access Control Unit (PANIC Message)
B1026	Passenger's Door Lock Switch Signal Circuit Fault
B1027	Trunk Key Cylinder Switch Signal Circuit Fault
B1028	Rear Window Wiper Motor (Park) Signal Circuit Fault
B1032	MICU Lost Communication with the SRS Unit (CDS Message)
B1036	Driver's MICU IG1 Line Input Circuit Fault
B1050	Communication Bus Line Circuit Fault
B1051	Relay Control Module Internal (CPU) Circuit Fault
B1052	Relay Control Module Internal (EEPROM) Circuit Fault
B1055	Relay Control Module Lost Communication with MICU (MICU Message)
B1056	Relay Control Module Lost Communication with MICU (ALARM Message)
B1057	Relay Control Module Lost Communication with MICU (DOORSW Message)
B1058	Relay Control Module Lost Communication with Door Multiplex Control Unit
B1059	Relay Control Module Lost Communication with Door Multiplex Control Unit
B1060	Relay Control Module Lost Communication with Gauge Control Module
B1061	Relay Control Module Lost Communication with Gauge Control Module
B1062	Relay Control Module Lost Communication with Combination Switch Control
B1063	Relay Control Module Lost Communication with Combination Switch Control
B1064	Relay Control Module Lost Communication with Driver's MPCS Unit
B1065	Relay Control Module Lost Communication with Driver's MPCS Unit
B1066	Relay Control Module Lost Communication with Keyless Access Control Unit
B1075	Headlight Switch Back-up Circuit Fault
B1076	Windshield Wiper Switch Back-up Circuit Fault
B1077	Windshield Wiper Auto Switch Circuit Fault
B1078	Daytime Running Lights System Circuit Fault
B1079	Daytime Running Lights Circuit Fault
B10A2	Driver's MICU Internal (EEPROM) Circuit Fault
B10CF	Left Daytime Running Lights Circuit Fault
B1100	Communication Circuit Error (BUS Off)
B1102	Door Multiplex Control Unit Internal Circuit Fault
B1125	Driver's Power Window Motor a Pulse Circuit Fault
B1126	Driver's Power Window Motor B Pulse Circuit Fault
B1127	Driver's Door Key Cylinder Switch Circuit Fault
B1128	Driver's Door Lock Switch Signal Circuit Fault
B1129	Driver's Door Lock Knob Switch Signal Error (LOCK/UNLOCK)
B1130	Front Passenger's Power Window Motor a Pulse Circuit Fault
B1131	Front Passenger's Power Window Motor B Pulse Circuit Fault
B1132	Left Rear Power Window Motor Pulse a Circuit Fault
B1133	Left Rear Power Window Motor Pulse B Circuit Fault
B1134	Right Rear Power Window Motor Pulse a Circuit Fault
B1135	Right Rear Power Window Motor Pulse B Circuit Fault
B1136	Right Rear Power Window Switch Internal Circuit Fault
B1140	Driver's Power Window Position Detect Circuit Fault
B1142	Door Multiplex Control Unit Lost Communication with Front Passenger's
B1145	Front Passenger's Power Window Position Detect Circuit Fault
B1147	Left Rear Power Window Position Information Circuit Fault
B1148	Left Rear Power Window Switch Internal Circuit Fault
B1149	Right Rear Power Window Position Information Circuit Fault
B1150	Communication Bus Line Circuit Fault
B1152	Gauge Control Module Internal (EEPROM) Circuit Fault
B1155	Gauge Control Module Lost Communication with Combination Switch Control
B1156	Gauge Control Module Lost Communication with Combination Switch Control
B1157	Gauge Control Module Lost Communication with MICU (MICU Message)
B1158	Gauge Control Module Lost Communication with Relay Control Module
B1159	Gauge Control Module Lost Communication with MICU (DOORSW Message)
B1160	Gauge Control Module Lost Communication with Door Multiplex Control Unit
B1161	Gauge Control Module Lost Communication with Keyless Access Control Unit
B1162	Gauge Control Module Lost Communication with Power Tailgate (PTG Message)
B1168	Gauge Control Module Lost Communication with PCM (ENG Message)
B1169	Gauge Control Module Lost Communication with the PCM (a/T Message)
B1170	Gauge Control Module Lost Communication with the VSA Modulator-Control
B1173	Gauge Control Module Lost Communication with the TPMS Control Unit
B1175	Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Open
B1176	Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short
B1177	Battery Voltage Abnormal
B1178	F-CAN Communication Line Circuit Fault
B1180	Gauge Control Module Lost Communication with MICU (AUTOLT Message)
B1181	Gauge Control Module Lost Communication with Driver's MPCS Unit
B1182	Gauge Control Module Lost Communication with Driver's MPCS Unit
B1183	Gauge Control Module Lost Communication with EPS Unit
B1185	Gauge Control Module Lost Communication with Motor Control Module
B1187	Gauge Control Module Lost Communication with SRS Unit (SRS Message)
B1188	Gauge Control Module Lost Communication with the MICU (RM Message)
B1189	Gauge Control Module Lost Communication with Active Damper System Control
B11A2	Passenger's MICU Internal (EEPROM) Circuit Fault
B11C7	Passenger's MICU IG1 Line Input Circuit Fault
B11CF	Right Daytime Running Lights Circuit Fault
B1200	Communication Bus Line Circuit Fault
B1202	Climate Control Unit Internal Circuit Fault
B1205	Climate Control Unit Lost Communication with Gauge Control Module
B1206	Climate Control Unit Lost Communication with Gauge Control Module
B1207	Climate Control Unit Lost Communication with Gauge Control Module
B1208	Climate Control Unit Lost Communication with Keyless Access Control Unit
B1213	An Open in the Rear Evaporator Temperature Sensor Circuit
B1214	Short in the Rear Evaporator Temperature Sensor Circuit
B1215	Open or Short in the Recirculation Control Motor Circuit
B121B	Short in the Mode Control Motor Circuit
B1220	Short in the Recirculation Control Motor Circuit
B1223	Problem in the Rear Blower Motor Circuit
B1225	Open in the In-car Temperature Sensor Circuit
B1226	Short in the In-car Temperature Sensor Circuit
B1227	Open in the Outside Air Temperature Sensor Circuit
B1228	Short in the Outside Air Temperature Sensor Circuit
B1229	Open in the Sunlight Sensor Circuit
B1230	Short in the Sunlight Sensor Circuit
B1231	Open in the Evaporator Temperature Sensor Circuit
B1232	Short in the Evaporator Temperature Sensor Circuit
B1233	Open in the Driver's Air Mix Control Motor Circuit
B1234	Short in the Driver's Air Mix Control Motor Circuit
B1235	Problem in the Driver's Air Mix Control Linkage, Door, or Motor Circuit
B1236	Open in the Passenger's Air Mix Control Motor Circuit
B1237	Short in the Passenger's Air Mix Control Motor Circuit
B1238	A Problem in the Passenger's Air Mix Control Linkage, Door, or Motor
B1239	Open or Short in the Front Mode Control Motor Circuit
B1240	Problem in the Front Mode Control Linkage, Doors, or Motor Circuit
B1241	Problem in the Blower Motor Circuit
B1244	Open in the Rear Air Mix Control Motor Circuit
B1245	Short in the Rear Air Mix Control Motor Circuit
B1246	Problem in the Rear Air Mix Control Linkage, Door, or Motor Circuit
B1250	Communication Bus Line Circuit Fault
B1251	Combination Switch Control Unit Internal Circuit Fault
B1252	Combination Switch Control Unit Internal (EEPROM) Circuit Fault
B1255	Combination Switch Control Unit Lost Communication with MICU (MICU Message)
B1275	Headlight OFF Position Circuit Fault
B1276	Combination Light Switch Parking (SMALL) Position Circuit Fault
B1277	Headlight AUTO Position Circuit Fault
B1278	Headlight Switch ON Position Circuit Fault
B1279	Headlight Switch DIMMER Position Circuit Fault
B1280	Turn Signal Switch Circuit Fault
B1281	Windshield Wiper Switch MIST Position Circuit Fault
B1282	Windshield Wiper Switch INT (AUTO) Position Circuit Fault
B1283	Windshield Wiper Switch LOW Position Circuit Fault
B1284	Windshield Wiper Switch HIGH Position Circuit Fault
B1350	Communication Bus Line Circuit Fault
B1352	Power Tailgate Control Unit Internal (EEPROM) Circuit Fault
B1355	Power Tailgate Control Unit Lost Communication with MICU (MICU Message)
B1356	Power Tailgate Control Unit Lost Communication with Driver's MPCS Unit
B1357	Power Tailgate Control Unit Lost Communication with Gauge Control Module
B1358	Power Tailgate Control Unit Lost Communication with Driver's MPCS Unit
B1359	Power Tailgate Control Unit Lost Communication with Gauge Control Module
B1375	Driver's Door Power Tailgate Switch Circuit Fault
B1376	Tailgate Outer Handle Switch Circuit Fault
B1377	Inside Tailgate Switch Circuit Fault
B1378	Power Tailgate Right Pinch Sensor Circuit Fault
B1379	Power Tailgate Left Pinch Sensor Circuit Fault
B1380	Power Tailgate Closer Unit Neutral Switch Circuit Fault
B1381	Power Tailgate Closer Unit Release Switch Circuit Fault
B1382	Power Tailgate Closer Unit Full Latch Switch Circuit Fault
B1383	Power Tailgate Closer Unit Ratchet Switch Circuit Fault
B1384	Power Tailgate Closer Unit Half Latch Switch Circuit Fault
B1386	Power Tailgate Sensor Pulse a Circuit Fault
B1387	Power Tailgate Sensor Pulse B Circuit Fault
B1388	Power Tailgate Motor Circuit Fault
B1389	Power Tailgate Motor Clutch Circuit Fault
B1390	Power Tailgate Closer Function Circuit Fault
B1575	Automatic Lighting Sensor Circuit Fault
B1600	Communication Bus Line Circuit Fault
B1605	Keyless Access Control Unit Lost Communication with MICU (MICU Message)
B1750	Communication Bus Line Circuit Fault
B1775	Microphone Input/Output Short to Power Circuit Open
B1776	Microphone Input/Output Short to Ground Circuit Open
B1780	HFL Switch (HFL TALK/HFL BACK Buttons) Circuit Short
B1785	Incorrect Configuration (VEHINFO Frame)
B1786	HandsFreeLink Control Unit Lost Communication with Gauge Control Module
B1792	HandsFreeLink Control Unit Internal Circuit Fault
B1800	Communication Bus Line Circuit Fault
B1802	Power Seat Control Unit Circuit Fault
B1805	Power Seat Control Unit Lost Communication with Gauge Control Module
B1806	Power Seat Control Unit Lost Communication with MICU (MICU Message)
B1808	Power Seat Control Unit Lost Communication with Gauge Control Module
B1810	Power Seat Control Unit Lost Communication with MICU (MIRRORSW Message)
B1811	Power Seat Control Unit Lost Communication with MICU (DOORSW Message)
B1812	Power Seat Control Unit Lost Communication with Driver's MPCS Unit
B1825	Slide Pulse Circuit Fault
B1828	Power Seat Recline Motor Pulse Circuit Fault
B1829	A/T P Signal and VSS Signal Configuration Mismatch
B1835	Power Tilt/Telescopic Steering Switch Signal Input Circuit Fault
B1836	Power Seat Position Sensor Circuit Short
B1837	Memory Position Calling Timeout
B1840	Tilt Motor Pulse Circuit Fault
B1841	Telescopic Motor Pulse Circuit Fault
B1842	Power Tilt/Telescopic Position Sensor Power Supply Circuit (SVCC Line)
B1844	Power Seat Slide Switch Circuit Fault
B1845	Power Seat Recline Switch Circuit Fault
B1846	Power Seat Front Up-Down Switch Circuit Fault
B1847	Power Seat Rear Up-Down Switch Circuit Fault
B1900	Communication Bus Line Circuit Fault
B1906	Immobilizer-Keyless Control Unit Lost Communication with Gauge Control
B1950	Communication Bus Line Circuit Fault
B1955	Rear MICU Lost Communication with MICU (MICU Message)
B1956	Rear MICU Lost Communication with Gauge Control Module (a/T Message)
B1957	Rear MICU Lost Communication with Combination Switch Control Unit
B1958	Rear MICU Lost Communication with Combination Switch Control Unit
B1959	Rear MICU Lost Communication with Relay Control Module (RM Message)
B1C55	Driver's Heater Thermistor Circuit Open
B1C56	Driver's Heater Thermistor Circuit Short
B1C57	Passenger's Heater Thermistor Circuit Open
B1C58	Passenger's Heater Thermistor Circuit Short
B1C60	Driver's Heater Current Abnormal Circuit Voltage High
B1C61	Driver's Heater Current Abnormal Circuit Voltage Low
B1C62	Passenger's Heater Current Abnormal Circuit Voltage High
B1C63	Passenger's Heater Current Abnormal Circuit Voltage Low
B1C68	Driver's Heater Not Heating
B1C69	Passenger's Heater Not Heating
B1C70	Driver's Main Heater Switch Circuit Fault
B1C71	Passenger's Main Heater Switch Circuit Fault

B2

Code	Description
B2100	Communication Bus Line Circuit Fault
B2150	Communication Bus Line Circuit Fault
B2152	Driver's MPCS Unit Internal (EEPROM) Circuit Fault
B2155	Driver's MPCS Unit Lost Communication with MICU (MICU Message)
B2156	Driver's MPCS Unit Lost Communication with MICU (MIRRORSW Message)
B2157	Driver's MPCS Unit Lost Communication with Gauge Control Module
B2160	Driver's MPCS Unit Lost Communication with Gauge Control Module
B2161	Driver's MPCS Unit Lost Communication with MICU
B2162	Driver's MPCS Unit Lost Communication with Relay Control Module (RM Message)
B2175	Driver's Power Window Motor Pulse a Circuit Fault
B2176	Driver's Power Window Motor Pulse B Circuit Fault
B2177	Front Passenger's Power Window Motor Pulse a Circuit Fault
B2178	Front Passenger's Power Window Motor Pulse B Circuit Fault
B2179	Driver's Door Key Cylinder Switch LOCK/UNLOCK Signal Circuit Fault
B2180	Driver's Door Lock Switch LOCK/UNLOCK Signal Circuit Fault
B2181	Driver's Door Lock Knob Switch LOCK/UNLOCK Signal Circuit Fault
B2182	Left Power Mirror Horizontal Sensor Signal Circuit Fault
B2183	Left Power Mirror Vertical Sensor Signal Circuit Fault
B2184	Right Power Mirror Horizontal Sensor Signal Circuit Fault
B2185	Right Power Mirror Vertical Sensor Signal Circuit Fault
B2186	Front Passenger's Door Lock Switch LOCK/UNLOCK Signal Circuit Fault
B2187	Communication Line (UART Line) Driver's MPCS Unit Cannot Send UART Messages
B2188	Communication Line (UART Line) Driver's MPCS Unit Cannot Receive UART
B2189	Driver's Power Window Position Detect Circuit Fault
B2190	Front Passenger's Power Window Position Detect Circuit Fault
B2191	Front Passenger's MPCS Unit Internal (EEPROM) Circuit Fault
B2200	Communication Bus Line Circuit Fault
B2202	AcuraLink Control Unit EEPROM Circuit Fault
B2204	B-CAN Communication Line Circuit Fault
B2205	F-CAN Communication Line Circuit Fault
B2206	SRS Unit Lost Communication with AcuraLink Control Unit (XM Receiver)
B2207	Navigation Unit Lost Communication with AcuraLink Control Unit
B2208	HandsFreeLink Control Unit Lost Communication with AcuraLink Control Unit
B2209	AcuraLink Control Unit Internal Circuit Fault
B2211	F-CAN Communication Line Error with PCM
B2212	Gauge Control Module Lost F-CAN Communication Line Error with AcuraLink
B2240	XM Antenna Circuit Fault
B2248	HIP Power Supply Abnormal (More Than 16 V)
B2249	HIP Power Supply Abnormal (Less Than 9 V)
B2456	Headlight Leveling Control Unit Lost Communication with MICU
B2476	Front Suspension Stroke Sensor Circuit Fault
B2477	Rear Suspension Stroke Sensor Circuit Fault
B2479	Headlight Leveling Control Unit (EEPROM) Circuit Fault
B2482	Combination Light Switch Signal Circuit Fault
B2601	Parking Sensor CPU Circuit Fault
B2602	Parking Sensor EEPROM Circuit Fault
B2625	Left Front Corner Sensor Circuit Fault
B2628	Right Front Corner Sensor Circuit Fault
B2629	Left Rear Corner Sensor Circuit Fault
B2630	Center Left Rear Sensor Circuit Fault
B2631	Center Right Rear Sensor Circuit Fault
B2632	Right Rear Sensor Circuit Fault
B2633	Front Bus Circuit Fault
B2634	Rear Bus Circuit Fault
B2635	IND Erroneous Lighting
B2636	Vehicle Status Combination Circuit Fault
B2965	Climate Control Unit Lost Communication with Rear Climate Control Panel
B2967	Open in the Humidity Sensor Circuit
B2968	Short in the Humidity Sensor Circuit (WINDSHIELD DEFROST)
B2969	Climate Control Unit Lost Communication with MICU (WIPSW Message)
B2970	Climate Control Unit Lost Communication with Relay Control Module
B2975	Open in the Driver's Vent Air Temperature Sensor Circuit
B2976	Short in the Driver's Vent Air Temperature Sensor Circuit
B2977	Open in the Passenger's Vent Air Temperature Sensor Circuit
B2978	Short in the Passenger's Vent Air Temperature Sensor Circuit
B2979	Open in the a/C Pressure Sensor Circuit
B2980	Short in the a/C Pressure Sensor Circuit (WINDSHIELD DEFROST)
B2981	Climate Control Unit Lost Communication with Navigation Unit
B2982	Climate Control Unit Lost Communication with Each Control Motor
B2983	Problem in the Recirculation Control Linkage, Door, or Motor Circuit
B2984	Problem in the Driver's Cool Vent Control Linkage, Door, or Motor
B2985	Problem in the Passenger's Cool Vent Control Linkage, Door, or Motor
B2986	Open in the Recirculation Control Motor Circuit
B2987	Problem in the Rear Vent Control Linkage, Door, or Motor
B2991	Climate Control Unit Lost Communication with Audio Unit

P1

Code	Description
P1009	Variable Valve Timing Control (VTC) Advance Circuit Fault
P1021	Valve Pause System Stuck On
P1025	Valve Pause System Sticking Off
P1077	Intake Manifold Runner Control (IMRC) System Malfunction (Low rpm)
P1078	Intake Mainfold Runner Control (IMRC) System Malfunction (High rpm)
P1103	Mass Airflow Sensor Signal Higher Than Expected
P1107	BARO Circuit Voltage Low
P1108	BARO Circuit Voltage High
P1109	Barometric Pressure (BARO) Sensor Circuit Out of Range / Voltage High
P1111	IAT Sensor Circuit Voltage High
P1112	IAT Sensor Circuit Intermittent / Voltage Low
P1114	ECT Sensor Circuit Voltage Low
P1115	ECT Sensor Circuit Voltage High
P1116	Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance
P1120	Throttle Position Sensor 1 Circuit Fault
P1121	Throttle Position Lower Than Expected
P1122	Throttle Position Higher Than Expected
P1125	Electronic Throttle Control Limit Circuit Range/Performance
P1128	MAP Lower Than Expected
P1129	MAP Higher Than Expected
P1133	HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
P1134	HO2S-11 (Bank 1 Sensor 1) Transition Time Ratio Circuit Fault
P1149	Air/Fuel Ratio Sensor (Sensor 1) Circuit Lean Range; Air / Fuel Ratio (A/F) Sensor (Sensor 1) Range / Performance Problem A/F sensor 03 - 020 6 of 10,or Air / Fuel Ratio Sensor (Sensor 1) Circuit Lean Range A/F sensor
P1153	HO2S-21 (Bank 2 Sensor 1) Insufficient Switching
P1154	HO2S-21 (Bank 2 Sensor 1) Transition Time Ratio
P1157	Air Fuel Ratio (a/F) Sensor (Sensor 1) AFS Line Circuit Voltage High
P1163	Air/Fuel Ratio Sensor (Sensor 1) Slow Response; Air / Fuel Ratio (A/F) Sensor (Sensor 1) Slow Response A/F sensor,or Air / Fuel Ratio Sensor (Sensor 1) Slow Response A/F sensor
P1164	Air/Fuel Ratio (AF) Sensor (Sensor 1) Circuit Range/Performance; Air / Fuel Ratio (A/F) Sensor (Sensor 1) Range / Performance Problem A/F sensor,or Air / Fuel Ratio (AF) Sensor (Sensor 1) Circuit Range / Performance A/F sensor
P1165	Air/Fuel Ratio Sensor (Sensor 1) Circuit Range/Performance; Air / Fuel Ratio (A/F) Sensor (Sensor 1) Range / Performance Problem A/F sensor,or Air / Fuel Ratio Sensor (Sensor 1) Circuit Range / Performance A/F sensor
P1168	Primary HO2S (No. 1) LABEL Circuit Voltage Low
P1169	Primary HO2S (No. 1) LABEL Circuit Voltage High
P1171	Fuel System Lean During Acceleration Detected
P1172	Air/Fuel Ratio (a/F) Sensor (Sensor 1) Circuit Out of Range / Voltage High
P1174	Front Air/Fuel Ratio (a/F) Sensor (Bank 2, Sensor 1) Signal Out of Range
P1182	CNG Fuel Temperature Sensor Circuit Voltage Low
P1183	CNG Fuel Temperature Sensor Circuit Voltage High
P1187	CNG Fuel Tank Temperature Sensor Circuit Voltage Low
P1188	CNG Fuel Tank Temperature Sensor Circuit Voltage High
P1192	CNG Fuel Tank Pressure Sensor Circuit Voltage Low
P1193	CNG Fuel Tank Pressure Sensor Circuit Voltage High
P1201	Cylinder 1 Misfire Detected
P1202	Cylinder 2 Misfire Detected
P1203	Cylinder 3 Misfire Detected
P1204	Cylinder 4 Misfire Detected
P1205	Cylinder 5 Misfire Detected
P1206	Cylinder 6 Misfire Detected
P1220	Throttle Position Sensor 2 Circuit Fault
P1221	Throttle Position Sensor 1-2 Circuit Range/Performance
P1241	Throttle Valve Control Motor 1 Circuit Fault
P1242	Throttle Valve Control Motor 2 Circuit Fault
P1243	Throttle Position Insufficient
P1244	Insufficient Closed Throttle Position Detected
P1246	Accelerator Position Sensor 1 Circuit Fault
P1247	Accelerator Position Sensor 2 Circuit Fault
P1248	Accelerator Pedal Position Sensor Correlation
P1253	VTEC System Circuit Fault
P1257	VTEC System Circuit Fault
P1258	VTEC System Circuit Fault
P1259	VTEC System Circuit Fault
P1271	Throttle Position Sensor 1-2 Correlation Circuit Fault
P1272	Acceleration Position Sensor 2-3 Correlation Circuit Fault
P1273	Acceleration Position Sensor 1-3 Correlation Circuit Fault
P1275	Acceleration Position Sensor 1 Circuit Fault
P1279	VTEC System Circuit Fault
P1280	Acceleration Position Sensor 2 Circuit Fault
P1285	Acceleration Position Sensor 3 Circuit Fault
P1286	Rocker Arm Oil Pressure Sensor B Stuck Circuit Voltage Low
P128A	Rocker Arm Oil Pressure Sensor B Stuck Circuit Voltage High
P128C	Rocker Arm Oil Pressure Sensor a Stuck Circuit Voltage Low
P128D	Rocker Arm Oil Pressure Sensor a Stuck Circuit Voltage High
P1290	Electronic Throttle Control Forced Idle Mode
P1295	Electronic Throttle Control Power Management Mode
P1299	Electronic Throttle Control Forced Engine Shutdown Mode
P1301	Cylinder 1 Misfire Detected
P1302	Cylinder 2 Misfire Detected
P1303	Cylinder 3 Misfire Detected
P1304	Cylinder 4 Misfire Detected
P1305	Cylinder 5 Misfire Detected
P1306	Cylinder 6 Misfire Detected
P1310	ION Sensing Module Diagnosis
P1311	ION Sensing Module Secondary Line 1 Circuit Fault
P1312	ION Sensing Module Secondary Line 2 Circuit Fault
P1316	Spark Plug Detection Module Circuit Fault
P1317	Spark Plug Detection Module Circuit Fault
P1318	Spark Plug Detection Module Reset Circuit Fault
P1319	Spark Plug Detection Module Reset Circuit Fault
P1324	Knock Sensor Power Source Circuit Low Voltage
P1326	ION Sensing Module Combustion Quality
P1340	ION Sensing Module Cylinder ID Circuit Fault
P1359	Crankshaft Position (CKP)/Top Dead Center (TDC) Sensor Circuit Malfunction; Crankshaft Position (CKP) / Top Dead Center (TDC) Sensor Circuit Malfunction
P1361	TDC Sensor Intermittent Interruption
P1362	TDC 1 Sensor No Signal
P1366	TDC 2 Sensor Circuit Intermittent
P1367	TDC 2 Sensor No Signal
P1382	Cylinder Position Sensor No Signal
P1386	Camshaft Position Sensor 2 Circuit Fault
P1387	Camshaft Position Sensor 2 No Signal
P1391	Acceleration 'G' Sensor Circuit Range/Performance
P1392	Acceleration 'G' Sensor Circuit Voltage Low
P1393	Acceleration 'G' Sensor Circuit Voltage High
P1394	Acceleration 'G' Sensor Intermittent Circuit Voltage High
P1404	EGR Valve Stuck Closed Circuit Fault
P1406	EGR Valve Pintle Position Sensor Circuit Fault
P1410	Air Pump Malfunction; Air Pump Malfunction (Air system)
P1415	AIR Pump Electric Current Sensor Signal Circuit Voltage Low
P1416	AIR Pump Electric Current Sensor Signal Circuit Voltage High
P1441	EVAP Vacuum Switch Circuit Voltage High
P1454	Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance
P1456	EVAP System Leak Detected (Fuel Tank System)
P1457	EVAP Control System Leak Detected (Control Canister System)
P1459	EVAP Purge Flow Switch Circuit Fault
P145C	Evaporative Emission (EVAP) System Purge Flow Circuit Fault
P1491	EGR Valve Lift Insufficient Detected
P1498	Exhaust Gas Recirculation (EGR) Valve Position Sensor Circuit High Voltage
P1522	Master Power Vacuum Sensor Circuit Voltage Low
P1523	Master Power Vacuum Sensor Circuit Voltage High
P1541	Climate Control Unit Signal Circuit Low Voltage
P1542	Climate Control Unit Signal Circuit High Voltage
P1549	Charging System Circuit Voltage High
P15AB	Engine Mount Control Unit Power Source Circuit Voltage Low
P15AC	Engine Mount Control Unit Internal Circuit Fault
P15AE	Cylinder Pause Signal Circuit Fault
P15AF	Camshaft Position (CMP) Sensor Signal Circuit Fault
P15B0	Crankshaft Position (CKP) Sensor Signal Circuit Fault
P15B1	Camshft Position (CMP) Sensor / Crankshaft Position (CKP) Sensor Signal
P15BD	Cylinder Pause Signal 2 Circuit Fault
P15BE	Camshaft Position (CMP) Sensor Signal Circuit Fault
P15BF	Camshaft Position (CMP) Sensor Signal Intermittent Interruption
P15C0	Crankshaft Position (CKP) Sensor Signal Intermittent Interruption
P15C1	Brake Booster Pressure Sensor B Circuit Voltage High
P15C2	Brake Booster Pressure Sensor B Circuit Voltage Low
P15C3	Brake Booster Pressure Sensor a/B Configuration Mismatch
P1607	ECM/PCM Internal Circuit Fault
P1608	PCM Internal Circuit 'B' / Fault
P1618	Serial Peripheral Interface Communication
P1625	PCM Unexpected Reset
P1635	5-Volt Reference Voltage 'A' Circuit Fault
P1639	5-Volt Reference Voltage 'B' Circuit Fault
P1640	Output Driver Module Circuit Fault
P1641	ACTRQ Motor Torque Signal Circuit Voltage High
P1642	QBATT Battery Signal Circuit Voltage Low
P1643	QBATT Battery Signal Circuit Voltage High
P1644	MOTFSA Signal Circuit Fault
P1645	MOTFSA Signal Circuit Fault
P1646	MOTSTB Signal Malfunction
P1647	Engine Speed Signal Circuit Problem; Power Command Signal Circuit Low Input,or Power Command Signal Circuit High Input,or Engine Torque Signal Circuit Low Input,or Engine Torque Signal Circuit High Input,or Mode Signal Circuit 1 Low Input
P1648	Motor Control Module (MCM) Communication Signal Circuit Problem; Battery Condition Monitor (BCM) Module Communication Signal Circuit Problem,or Motor Control Module (MCM) Communication Signal Circuit Problem
P1650	Output Driver Module Circuit Fault
P1656	Problem in PCM-toVTM-4 Control Unit Communications Circuit; Problem in PCM - toVTM - 4 Control Unit Communications Circuit
P1658	Electronic Throttle Control System (ETCS) Control Relay ON Circuit Fault
P1659	Electronic Throttle Control System (ETCS) Control Relay OFF Circuit Fault
P1671	TCM a/T FI Data Line No Signal
P1672	TCM a/T FI Data Line Circuit Fault
P1676	FPTDR Signal Line Failure
P1677	TCM a/T FI Data Line Circuit Fault
P1678	FPTDR Signal Line Failure
P1679	RSCD Signal Circuit Malfunction
P1681	A/T FI Signal a Circuit Voltage Low
P1682	A/T FI Signal a Circuit Voltage High
P1683	Throttle Valve Default Position Spring Circuit Range/Performance
P1684	Throttle Valve Return Spring Circuit Range/Performance
P1686	A/T FI Signal B Circuit Voltage Low
P1687	A/T FI Signal B Circuit Voltage High
P1690	A/T (TCM) TCSTB Data Line Circuit Fault
P1696	TCFC Data Line Signal Circuit Voltage Low
P1697	TUFT Data Line Signal Circuit Voltage High
P16BB	Alternator B Terminal Circuit Voltage Low
P16BC	Alternator FR Terminal Circuit IGP / Voltage Low
P16BD	Starter Cut Relay 2 Circuit Fault
P16BE	Starter Cut Relay 1 Circuit Fault
P16BF	Starter Cut Relay STRLY Circuit Fault
P16C0	PCM a/T Control System Incomplete Update
P16C4	Engine Mount Actuator Control Power Circuit (Stuck Off)
P16C5	Engine Mount Actuator Control Power Circuit (Stuck ON)
P16C6	Engine Mount Actuator Circuit Voltage High
P16C7	Rear Engine Mount Actuator Control Circuit Voltage High
P16C8	Rear Engine Mount Actuator Control Circuit Voltage High
P16C9	Engine Mount Contol Unit Internal Circuit Fault
P16D5	F-CAN Circuit Fault
P16D6	IMA-CAN Circuit Fault
P1705	Automatic Transaxle
P1706	Automatic Transaxle
P1710	Automatic Transaxle
P1713	Automatic Transaxle
P1730	Problem in Shift Control System
P1731	Problem in Shift Control System
P1733	Problem in Shift Control System
P1734	Problem in Shift Control System
P1738	Automatic Transaxle
P1739	Automatic Transaxle
P1740	Automatic Transaxle
P1743	Problem in Shift Control System; Shift Valve E Stuck OFF
P1745	Problem in Shift Control System; Servo Control Valve Stuck OFF or Servo
P1746	Hydraulic Control System (Cut Valve a Stuck OFF or Cut Valve B Stuck ON)
P1747	Hydraulic Control System (Cut Valve a Stuck ON or Cut Valve B Stuck OFF)
P1750	Mechanical Problem in Hydraulic Control System of A/T Clutch Pressure Control Solenoid; Mechanical Problem in Hydraulic Control System of A/T Clutch Pressure Control Solenoid Valve Assemblies A and B,or Problem in the Hydraulic Control System
P1753	Problem in Torque Converter Clutch Solenoid Valve Circuit
P1758	Automatic Transaxle
P1768	Automatic Transaxle
P1773	Problem in A/T Clutch Pressure Control Solenoid Valve B Circuit
P1778	Automatic Transaxle
P1780	Problem in Shift Control System (Transmission Is in Default Mode)
P1785	Automatic Transaxle Concerns
P1786	Automatic Transaxle
P1787	A/T FFS Signal Circuit Fault
P1788	A/T ATSDLA Signal Circuit Fault
P1790	Automatic Transaxle
P1791	Automatic Transaxle
P1792	Automatic Transaxle
P1794	Automatic Transaxle
P1795	A/T Accelerator Position Sensor Circuit Fault
P1835	Kick Down Switch Circuit Voltage Low
P1850	A/T Brake Band Apply Solenoid Circuit Fault
P1860	Torque Converter Clutch Solenoid Circuit Fault
P1873	Automatic Transaxle Concerns
P1879	Automatic Transaxle Concerns
P1882	A/T Inhibitor Solenoid Circuit Fault
P1885	Automatic Transaxle Concerns
P1886	Automatic Transaxle Concerns
P1888	CVT Speed Sensor
P1890	Automatic Transaxle Concerns
P1891	Automatic Transaxle Concerns
P1894	CVT Speed Change Control Valve Circuit
P1895	CVT Pulley Pressure Control Valve Circuit

P3

Code	Description
P3497	Valve Pause System (VPS) Stuck Off (Bank 2)

U1

Code	Description
U1064	Seat Heater Control Unit Lost Communication with Climate Control Unit
U1101	F-CAN Circuit Fault
U1102	F-CAN Circuit Fault
U1205	IMA-CAN Circuit Fault
U1221	Invalid Data Received From DC-DC Converter Control Module
U1280	Communication Bus Line Error (BUS-OFF)
U1281	Communication Lost with MICU (MICU Frame)
U1282	Communication Lost with MICU
U1283	Power Tailgate Control Unit Lost Communication with Rear MICU
U1288	Communication Lost with PARKSR
U128D	Power Seat Control Unit Lost Communication with Gauge Control Module
U1290	Communication Lost with Seat Heater Control Unit

Makes that use these codes

• Honda17 models
• Acura3 models

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