Peugeot · Citroën · DS — fault codes starting with U1

Fault codes

672

Block

U1

Make group

Peugeot · Citroën · DS

Source language

English

The 672 Peugeot · Citroën · DS fault codes that start with U1, with descriptions.

U10

Code	Description
U1000	ECU mute on the CAN
U1001	CAN communication
U1002	Absence of communication with the wiper control unit
U1003	General CAN fault
U1004	Communication fault with engine ECU
U1005	Absence of communication with CNR_S
U1006	LIN fault : No communication with the siren
U1007	CAN network LAS/HS2
U1008	General fault on the suspensions and wheels CAN network
U1009	CAN network LAS/HS2
U100A	CAN hybrid network
U100B	CAN hybrid network
U100C	Hybrid CAN Control network
U100D	Hybrid CAN Control network
U100E	Absence of communication with the drive train interface ECU
U100F	No communication with the gateway fuse box
U1010	Absence of communication with the drive train interface ECU
U1011	Distance alert ECU absent from the ADAS CAN
U1012	ADAS CAN
U1013	Communication on the CAN
U1014	Signal from the hybrid automatic gearbox oil temperature sensor
U1017	Built-in systems interface in downgrade mode
U1018	Engine management ECU authentication fault
U1019	Engine management ECU authentication fault
U101A	Engine management ECU authentication fault
U101B	Hands-free remote control
U101C	Communication problem with the hands-free unit
U1025	Electric power steering ECU
U102F	Charge fault (Traction battery disconnected)
U104A	CAN
U104F	Output current fault
U106F	Supply voltage control fault
U1073	CAN
U1080	Communication fault on the CAN network detected by the electric motor ECU (MCU)
U1081	Communication fault on the CAN network detected by the traction battery ECU (BMU)
U1082	Loss of communication with the CAN
U1083	Air conditioning ECU
U108A	Parking assistance ECU
U108E	Keyless access and starting function
U1090	On the wire communication line with the traction battery ECU (BMU)
U1091	Malfunction of the CAN
U10A1	CAN fault
U10A7	CAN fault

U11

Code	Description
U1100	Absence of communication with the electric vehicle management ECU
U1101	Electrical brake servo master cylinder (CAN network LAS/HS2)
U1102	Absence of communication with the ABS ECU
U1103	Stop and Start ECU
U1104	Lack of communication with the steering wheel angle sensor
U1105	Lack of communication with the steering wheel angle sensor
U1106	Absence of communication with the electric power steering ECU
U1107	Absence of communication with the hybrid management ECU 1
U1108	No communication on the CAN with the engine management ECU
U1109	Communication with the gearbox ECU
U110A	CAN hybrid network
U110B	Signal from the hybrid automatic gearbox oil temperature sensor
U110C	Park finger locking actuator signal
U110E	On-board charger/direct voltage transformer assembly signal
U110F	Charge limitation fault (Overheating)
U1110	Absence de communication with the automatic gearbox electric control ECU
U1112	No communication with airbag ECU
U1113	Intersystems CAN
U1114	CAN
U1116	No communication on the CAN with the suspension ECU
U1117	No communication with Built-in Hydraulics Interface
U1118	Communication with the BSI
U1119	Communication with the electric parking brake ECU
U111A	Traction battery ECU(CAN)
U111B	Absence of communication with the electric motor ECU
U111C	Absence of communication with the traction battery controller
U111D	No communication with the parking assistance ECU
U111E	No communication on the high speed CAN 6 with the left-hand headlamp LEDs management ECU
U111F	No communication on the high speed CAN 6 with the right-hand headlamp LEDs management ECU
U1120	Sequential gear lever on the high speed CAN 2
U1121	Communication with the power steering ECU
U1122	Communication with the cruise control ECU
U1124	Absence of communication with the pneumatic suspension ECU
U1125	No communication with gyroscope accelerometer sensor
U1126	In the information sent by the electric power steering ECU
U1127	Particle filter differential pressure sensor (Network SENT)
U1128	Absence of communication with the instrument panel
U1129	In the information transmitted by the built-in systems interface (BSI)
U112A	Communication on the CAN with the sequential gear lever
U112F	Input voltage fault
U1130	No communication with the night vision ECU
U1132	In the information sent by the air bag ECU
U1133	Reversible alternator (CAN)
U1134	Centralised voltage maintaining device (CAN)
U1136	In the information transmitted by the hands-free access ECU
U1138	Intersystems CAN
U1139	Fuel pressure and temperature sensor signal
U113C	CAN communication
U1141	Communication with the hands-free unit (SDCM)
U1146	Drive train supervisor ECU (CAN network LAS/HS2)
U1147	Absence of communication with the headlamps ECU
U1148	Absence of communication with the engine management ECU
U1149	Communication with the gearbox ECU
U114A	Information sent by the electric drive train supervisor ECU(Electric drive train CAN)
U114F	Input current fault
U1150	Vehicle speed data fault
U1153	Communication with the ESP ECU
U1154	No communication with the occupants load detection ECU
U1157	No communication with the hybrid management ECU 1 over the suspension and wheels CAN network
U1158	Communication with the BSI
U115D	Traction control mode selector
U115E	Electric machine management ECU (CAN)
U1160	On the wire communication line with the electric motor ECU (MCU)
U1161	On the wire communication line with the traction battery ECU (BMU)
U1162	Vehicle Distance Assistance (CAN)
U1163	Distance alert ECU absent from the ADAS CAN
U1164	Absence of communication with the multifunction video camera
U1165	Communication with the detection device (radar or camera)
U116A	Communication fault with the on board traction battery charger (OBC)
U116B	Communication fault with the on board traction battery charger (OBC)
U116F	ECU internal memory fault
U1180	Engine oil pressure and temperature sensor signal
U1181	Absence of communication with the BSI
U1186	Rear electric drive machine ECU (CAN hybrid network)
U1187	Drive train supervisor ECU (CAN hybrid network)
U1188	CAN hybrid network
U1189	Information sent by the on-board charger/direct voltage transformer assembly ECU(Electric drive train CAN)
U118A	Ancillaries battery 1 (CAN network *1 switch)
U118B	Ancillaries battery 2 (CAN network *1 switch)
U1190	No signal
U1191	The faults detection signal control cannot be received
U1195	ECU
U1197	No configuration
U1199	VIN missing fault
U119A	ECU internal fault
U11A0	Traction battery ECU (CAN hybrid network)
U11A1	Absence of communication with the traction battery controller 02
U11A2	Sequential gear lever (CAN)
U11A3	Absence of communication with the traction battery controller 04
U11A4	Absence of communication with the traction battery controller 05
U11A5	Absence of communication with the traction battery controller 06
U11A6	Absence of communication with the traction battery controller 07
U11A7	Absence of communication with the traction battery controller 08
U11A8	Absence of communication with the traction battery controller 09
U11A9	Absence of communication with the traction battery controller 10
U11AA	Absence of communication with the traction battery controller 11
U11AB	Absence of communication with the traction battery controller 12
U11AC	Traction battery
U11C6	Hybrid CAN Control network
U11C7	Hybrid CAN Control network
U11D4	In communication with the drive train supervisor
U11D5	Absence of communication with the electric vehicle management ECU
U11D6	Absence of communication with the drive train interface ECU
U11D7	Traction control (ASR)
U11D8	Communication fault with the on board traction battery charger (OBC)
U11D9	Communication fault with the traction battery ECU (BMU)
U11DA	Instrument panel
U11DB	Engine management ECU
U11DC	Airbag ECU
U11DD	In communication with the network voltage maintaining device ECU
U11DE	On-board charger / direct voltage transformer assembly (CAN hybrid network)

U12

Code	Description
U1200	DeNOx system (CAN)
U1201	No communication with the BSI
U1202	No communication with the BSI
U1203	Downstream NOx sensor (CAN)
U1204	No response from the gateway fuse box
U1205	Communication with the steering wheel angle sensor
U1206	No response from the gateway fuse box
U1207	Drive train supervisor ECU (CAN)
U1208	Communication with the engine management ECU
U1209	Gearbox ECU (CAN)
U120C	Park finger locking actuator (CAN)
U120F	On the power factor correction module output voltage
U1210	Absence de communication with the automatic gearbox electric control ECU
U1211	Upstream NOx sensor (CAN)
U1212	CAN
U1213	Intersystems CAN
U1216	Communication with the AMVAR ECU fault
U1217	No communication with Built-in Hydraulics Interface
U1218	Communication with the BSI
U1219	Communication with the electric parking brake ECU
U121D	Communication fault with the parking assistance ECU
U121E	Particle emission filter differential pressure sensor signal (Network SENT)
U1221	Power steering ECU (CAN)
U1222	Communication with the cruise control ECU
U1224	Absence of communication with the pneumatic suspension ECU
U1225	No communication with gyroscope accelerometer sensor
U1228	Network voltage maintaining device ECU (CAN)
U122A	Communication on the CAN with the sequential gear lever
U1230	CAN
U1233	Reversible alternator (CAN)
U1234	Centralised voltage maintaining device (CAN)
U1239	Fuel pressure and temperature sensor signal
U1240	Engine oil pressure and temperature sensor signal
U124F	Control voltage fault
U125E	Electric machine management ECU (CAN)
U1262	Vehicle Distance Assistance (CAN)
U126F	Electric control current fault
U1273	CAN Bus off
U1280	Power
U1286	Rear electric drive machine ECU (CAN hybrid network)
U1287	Hybrid drive train supervisor ECU (CAN hybrid network)
U1288	CAN hybrid network
U128A	Ancillaries battery 1 (CAN) switch
U128B	Ancillaries battery 2 (CAN) switch
U12A0	Traction battery ECU (CAN)
U12A1	Keyless access and starting function
U12A3	Soot sensor (CAN)
U12B0	Air conditioning ECU
U12B1	Video recording function
U12B2	Parking assistance ECU
U12B3	Visual manoeuvring assistance ECU
U12B4	Gateway wiring housing
U12B5	Adaptive cruise control/speed limiter ECU
U12B6	Lane Departure Warning System ECU
U12B7	Instrument cluster ECU
U12C6	Hybrid CAN Control network
U12C7	Hybrid CAN Control network
U12D4	In communication with the drive train supervisor
U12D5	Absence of communication with the electric vehicle management ECU
U12D6	Traction control (ASR)
U12D7	Communication fault with the on board traction battery charger (OBC)
U12D8	Communication fault with the traction battery ECU (BMU)
U12D9	Communication with the network voltage maintaining device ECU
U12DB	Communication fault with the gateway fuse box (BSP)
U12DE	On-board charger / direct voltage transformer assembly (CAN)
U12F0	Communication on the CAN with the dynamic stability control ECU

U13

Code	Description
U1300	DeNOx system (CAN)
U1303	Fuel pressure and temperature sensor signal
U1305	Communication with the steering wheel angle sensor
U1306	Communication with the hybrid drive train supervisor ECU on the hybrid CAN
U1307	Absence of communication with the hybrid management ECU 1
U1308	Engine management ECU (CAN)
U1309	Communication with the gearbox ECU
U130C	Park finger locking actuator signal
U130F	Communication fault with the electric motor ECU (MCU)
U1310	Absence de communication with the automatic gearbox electric control ECU
U1311	Engine oil pressure and temperature sensor signal
U1312	CAN
U1313	Intersystems CAN
U1316	Non coherent data from the electronically controlled variable suspension (AMVAR) ECU
U1317	No communication with Built-in Hydraulics Interface
U1318	Communication with the BSI
U1319	Automatic release of the electric parking brake
U131D	ASR+ selector signal fault
U131E	Particle filter differential pressure sensor (Network SENT)
U131F	Engine management ECU
U1320	Sequential gear lever on the high speed CAN 2
U1321	Communication with the power steering ECU
U1322	Communication with the cruise control ECU
U1324	Absence of communication with the pneumatic suspension ECU
U1325	No communication with gyroscope accelerometer sensor
U1328	Network voltage maintaining device ECU (CAN)
U132A	Sequential gear lever (CAN)
U132F	In communication on the CAN
U1330	Multifunction video camera
U1332	LIN
U1333	Reversible alternator
U1334	Centralised voltage maintaining device (CAN)
U1338	Intersystems CAN
U1339	Fuel pressure and temperature sensor signal
U133A	Engine management ECU not communicating on the Flexray
U133B	Hybrid drive train supervisor ECU (CAN network Flexray)
U133C	Hybrid automatic gearbox ECU (CAN network Flexray)
U133D	Rear electric drive machine ECU (CAN network Flexray)
U1340	Engine oil pressure and temperature sensor signal
U1347	CAN
U1348	Engine management ECU on the high speed CAN 2
U1349	Communication with the gearbox ECU
U134F	Loss of communication with the traction battery ECU
U1353	ECUs ABS/ESP (CAN)
U1358	Built-in systems interface (CAN)
U135D	Traction control plus (CAN)
U135E	Electric machine management ECU (CAN)
U1362	Vehicle Distance Assistance (CAN)
U136F	Electric motor control circuit fault
U1380	Particle filter differential pressure sensor (Network SENT)
U1386	Rear electric drive machine ECU (CAN hybrid network)
U1387	Drive train supervisor ECU (CAN hybrid network)
U1388	CAN hybrid network
U1389	Information sent by the on-board charger/direct voltage transformer assembly ECU(Electric drive train CAN)
U138A	Ancillaries battery 1 (CAN) switch
U138B	Ancillaries battery 2 (CAN) switch
U1393	Intersystems CAN
U13A0	Traction battery ECU (CAN)
U13A2	Communication on the CAN with the sequential gear lever
U13A3	Communication of the soot sensor on the CAN
U13C6	Hybrid CAN Control network
U13C7	Hybrid CAN Control network
U13D4	In communication with the drive train supervisor
U13D5	Absence of communication with the electric vehicle management ECU
U13D6	Traction control (ASR)
U13D7	Communication fault with the on board traction battery charger (OBC)
U13D8	Communication fault with the traction battery ECU (BMU)
U13D9	In communication with the network voltage maintaining device ECU
U13DB	Communication fault with the gateway fuse box (BSP)
U13DE	On-board charger / direct voltage transformer assembly (CAN)
U13F0	Communication with the air bag ECU

U14

Code	Description
U1400	Alternator LIN network
U1401	Authorisation line for restarting
U1402	CAN
U1403	CAN
U1404	CAN network Flexray
U1405	Rear differential locking ECU
U1406	CAN network Flexray
U1407	CAN network Flexray
U1408	CAN
U1409	CAN
U140A	LIN
U140F	Power circuit overheating fault
U1410	CAN
U1411	Absence of communication with the battery charger status sensor
U1412	Vehicle speed information not valid or absent fault
U1413	Gearbox ratio signal fault
U1414	No communication with the rain/brightness sensor
U1415	Configuration fault (Absence of configuration)
U1416	Instrument panel signal fault
U1417	Configuration fault (Incorrect configuration)
U1419	In communication on the LIN
U141A	Battery charge status unit configuration fault
U1420	Configuration parameter not authorised
U1426	Engine speed signal fault
U1427	Engine torque signal fault
U1428	Engine torque signal fault
U1429	Engine torque signal fault
U142A	Engine torque signal fault
U142F	Power stage overheating fault (SENSOR 1)
U1430	Engine torque signal fault
U1431	Gearbox ratio signal fault
U1432	Instrument panel signal fault
U1433	Vehicle speed data fault
U144F	Internal overheating fault
U145D	LIN blocked
U145E	Steering-mounted controls ECU on the LIN
U145F	Datastream absent
U1460	Heating circuit electric coolant heater(LIN)
U1461	Air conditioning compressor
U1462	Heating circuit electric coolant heater(LIN)
U1463	Heating circuit electric coolant heater
U1464	Heating circuit electric coolant heater(LIN)
U1465	1-way solenoid valve
U146F	Power stage overheating fault (SENSOR 2)
U1480	CAN fault
U1481	CAN fault
U1482	CAN fault
U1483	CAN fault
U148D	Message missing on the digital instrument panel

U15

Code	Description
U1500	Absence of communication with the top-of-column ECU
U1504	No communication with the rain/brightness sensor
U1506	Absence of communication with the sunroof ECU
U1507	LIN fault
U1508	Software not compatible with the engine management ECU
U150B	LIN: Top-Of-Column information not valid
U150C	LIN: information from driver's door switch panel ECU invalid
U150D	LIN: Passenger's door control pad ECU information not valid
U150E	LIN: Information from the rear LH door switch panel ECU invalid
U150F	LIN: Information from the rear RH door switch panel ECU invalid
U1510	LIN: Tailgate ECU information not valid
U1511	LIN: Sunroof ECU information not valid
U1512	LIN fault : Information from rain/brightness sensor invalid
U1513	LIN: Positioning ECU (navigation) information not valid
U1514	LIN: Downgraded communication
U1515	LIN : Communication impossible
U152F	Output electrical current sensor fault
U1530	In the CAN information coming from the top-of-column
U1532	In the CAN information coming from the rain and brightness sensor
U1533	In the CAN information coming from the sunroof
U1535	Downstream NOx sensor (CAN)
U1536	Upstream NOx sensor (CAN)
U1539	LIN fault : Information from the intrusion alarm siren invalid
U1540	LIN fault : Information from the sensor of the intrusion alarm siren invalid
U156F	Charging current limitation fault (Drop in the input voltage)
U1570	No activity on the LIN
U1584	Vehicle speed information fault
U1585	No communication with engine ECU
U1586	Absence of communication with the steering wheel angle sensor
U1587	No communication with the gateway fuse box
U1588	No communication with the gateway fuse box

U16

Code	Description
U1600	Information sent by the electric drive train supervisor ECU(Electric drive train CAN)
U1601	CAN fault
U1602	Software fault: 2 programme absent or corrupted
U1603	Software fault: 3 programme absent or corrupted
U1604	Software fault: 4 programme absent or corrupted
U1605	Software fault: 5 programme absent or corrupted
U1606	Software fault: 1 data absent or corrupted
U1607	Software fault: 2 data absent or corrupted
U1608	Software fault: 3 data absent or corrupted
U1609	Software fault: 4 data absent or corrupted
U160A	Software fault: 5 data absent or corrupted
U160B	: Starting programme *1 absent or corrupted software fault
U160C	: Starting programme *1 absent or corrupted software fault
U160D	Software fault : Starting programme 3 absent or corrupted
U160E	ECU internal fault
U160F	ECU internal memory fault
U164F	Converter fault

U17

Code	Description
U1700	In communication with the built-in systems interface (BSI)
U1701	Communication fault with engine ECU
U1702	Electro-hydraulic power steering
U1703	Digital instrument panel
U1705	Absence of communication with the audio system ECU
U1706	In communication on the CAN
U1707	Absence of communication with the telematic unit
U170C	Steering wheel angle sensor
U170F	Electrical current too high in the inverter
U1710	No communication with air conditioning ECU
U1711	No communication with automatic gearbox ECU
U1712	Communication fault with the steering wheel angle sensor
U1715	In communication with the accelerometer-gyrometer sensor
U1716	Sequential gear lever
U1722	Absence of communication with the gear selector
U1724	No communication with the parking assistance ECU
U1726	No communication with airbag ECU
U1727	Absence of communication with the pneumatic suspension ECU
U172F	Over-voltage in rectifier fault
U1730	No communication with lane departure warning system ECU
U1732	Absence of communication with the tyre under-inflation detection ECU
U1733	No communication with telematic ECU
U1734	Additional heater
U1736	Absence of communication with the telematic unit
U1739	Absence of communication with the battery charger status sensor
U1744	Absence of communication with the over-charging detection ECU
U174F	Electrical current too high in the rectifier
U1751	Left-hand blind spot sensor
U1752	Right-hand blind spot sensor
U1763	Trailer socket
U176F	Electrical current over-voltage in the rectification zone

U18

Code	Description
U1800	Exterior temperature data fault
U1801	Alternator fault
U1802	Vehicle speed information
U1803	Engine oil level information fault
U1804	Steering wheel angle information
U1805	Wheel pulse counters information fault
U1806	Vehicle yaw speed information fault
U1807	Park information fault
U1808	Coolant temperature data fault
U1809	Oil temperature information fault
U180A	Driver or passenger seat belt fastening information
U180B	Collision detected
U180F	Absence of communication with the multifunction video recording camera
U1810	Encrypted communication between the built-in systems interface and the hands-free unit
U1811	Encrypted communication between the built-in systems interface and the hands-free unit
U1812	Communication on the LVDS network
U1813	Detection of the presence of hands on the steering wheel via the LIN
U1814	Heated steering wheel on the LIN
U1816	Communication with the rain and brightness sensor missing
U18A0	USB speed reduced in Full Speed mode
U18A1	USB connection deactivated between the audio-navigation and the independent telematic unit

U19

Code	Description
U1900	On the wire communication line with the electric motor ECU (MCU)
U1901	On the wire communication line with the traction battery ECU (BMU)
U1910	On the wire communication line with the electric motor ECU (MCU)
U1911	On the wire communication line with the traction battery ECU (BMU)
U1920	On the wire communication line with the electric motor ECU (MCU)
U1921	On the wire communication line with the traction battery ECU (BMU)
U1922	Line K error (Communication line)
U1924	Error in communication with the LIN
U1925	Data received invalid
U1926	Error in communication on the CAN with the electric vehicle management ECU
U1927	Error in communication on the LIN of the traction battery controller 01
U1928	Error in communication on the LIN of the traction battery controller 02
U1929	Error in communication on the LIN of the traction battery controller 03
U192A	Error in communication on the LIN of the traction battery controller 04
U192B	Error in communication on the LIN of the traction battery controller 05
U192C	Error in communication on the LIN of the traction battery controller 06
U192D	Error in communication on the LIN of the traction battery controller 07
U192E	Error in communication on the LIN of the traction battery controller 08
U192F	Error in communication on the LIN of the traction battery controller 09
U1930	Error in communication on the LIN of the traction battery controller 10
U1932	Error in communication on the LIN of the traction battery controller 12
U1934	CAN
U1935	Error in communication on the LIN of the traction battery controller 03
U1936	Error in communication on the LIN of the traction battery controller 04
U1937	Error in communication on the LIN of the traction battery controller 05
U1938	Error in communication on the LIN of the traction battery controller 06
U1939	Error in communication on the LIN of the traction battery controller 07
U193A	Error in communication on the LIN of the traction battery controller 08
U193B	Error in communication on the LIN of the traction battery controller 09
U193C	Error in communication on the LIN of the traction battery controller 10
U193D	Error in communication on the LIN of the traction battery controller 11
U193E	Error in communication on the LIN of the traction battery controller 12
U193F	Error in communication on the LIN
U1940	Malfunction of the controller on the CAN
U1980	Communication with the BSI
U1982	Gateway wiring housing
U1983	Gateway wiring housing
U1984	Gateway wiring housing
U1985	Gateway wiring housing
U1987	Gateway wiring housing
U1988	Gateway wiring housing
U1989	Gateway wiring housing
U198B	Parking assistance ECU
U198F	Gateway wiring housing
U1996	Gateway wiring housing
U19A1	Communication with the steering wheel angle sensor
U19A2	Communication with the gearbox ECU
U19A3	Communication with the ESP ECU
U19A7	Equipment part number

U1E

Code	Description
U1EE0	Built-in systems interface software incompatibility fault
U1EE1	Software fault: 1 programme absent or corrupted
U1EE2	Software fault: 2 programme absent or corrupted
U1EE3	Software fault: 3 programme absent or corrupted
U1EE4	Software fault: 4 programme absent or corrupted
U1EE5	Software fault: 5 programme absent or corrupted
U1EE6	Software fault: 1 data absent or corrupted
U1EE7	Software fault: 2 data absent or corrupted
U1EE8	Software fault: 3 data absent or corrupted
U1EE9	Software fault: 4 data absent or corrupted
U1EEA	Software fault: 5 data absent or corrupted
U1EEB	: Starting programme *1 absent or corrupted software fault
U1EEC	: Starting programme *1 absent or corrupted software fault
U1EED	Software fault : Starting programme 3 absent or corrupted
U1EEE	: Starting programme faulty software fault
U1EF0	Communication between the built-in systems interface and the passenger compartment LEDs management ECU
U1EF1	Absence of communication on the ambience lighting ECUs LIN
U1EF2	Difference between the number of ambience
U1EF3	LVDS connection between the NAC audio-navigation and the digital instrument panel
U1EF4	Communication with the built-in systems interface on the CAN
U1EF5	Software certificate downloading error
U1EF6	Failure of the CAN
U1EF7	Driving school module : Fault: absence of communication with the Built-in Systems Interface
U1EF8	Driving school module : CAN fault
U1EF9	Driving school module : ECU mute on the CAN
U1EFD	Random triggering of the Passenger Compartment Low Speed CANs
U1EFF	Unwanted triggering of the LIN 3 fault

U1F

Code	Description
U1F00	Event not recorded fault
U1F01	Unwanted triggering of the BSI LIN 1
U1F02	Unwanted triggering of the BSI LIN 2
U1F03	Absence of communication with the BSI
U1F04	Engine fuse box ECU internal fault
U1F05	Remote controlled triggering line fault
U1F06	On the Passenger Compartment CAN
U1F07	CAN INFO DIV (Entertainment Information CAN)
U1F08	Body CAN fault
U1F09	COMFORT CAN fault
U1F0A	CAN fault
U1F0E	Transmission and reception fault on the Intersystems CAN / High speed CAN 1
U1F0F	ECU not communicating on the CAN
U1F10	Built-in systems interface not communicating on the intersystems CAN / High speed CAN 1
U1F13	Suspension and wheels CAN fault
U1F14	ECU not communicating on the Body CAN
U1F15	ECU not communicating on the Entertainment Information CAN
U1F16	ECU not communicating on the CAN
U1F17	ECU mute on the CAN Passenger compartment
U1F18	Touch screen not communicating on the multimedia CAN
U1F1A	LIN fault
U1F1B	LIN fault 2
U1F1C	LIN fault 3
U1F1D	Transmitting and receiving fault on the LAS CAN / High speed CAN 2
U1F1E	Unwanted triggering of the LIN 4 fault
U1F1F	Absence of communication with the electric air conditioning compressor
U1F20	No communication with the audio system
U1F22	No communication with the parking assistance ECU
U1F23	No communication with the multifunction screen
U1F24	No communication with the CD changer ECU
U1F25	No communication with the instrument panel
U1F26	Absence of communication with the audio amplifier
U1F27	Absence of communication with the multifunction control panel
U1F28	Absence of communication with the steering wheel switch module
U1F2A	Absence of communication with the integral controls steering wheel ECU
U1F2B	Absence of communication with the telematics navigator
U1F2C	Absence of communication with the rear air conditioning table ECU
U1F2D	Absence of communication with the engine fuse box fault
U1F2E	Absence of communication with the engine management ECU
U1F2F	Absence of communication with the gearbox ECU
U1F30	Absence of communication with the hands-free unit
U1F31	Absence of communication with the high frequency remote control receiver
U1F32	Absence of communication with the driver's door control pad
U1F33	Absence of communication with the driver's seat memory unit
U1F34	Of absence of communication with the passenger seat memorisation unit
U1F35	Absence of communication with the electronic key reader
U1F36	Absence of communication with the stand-alone telematic unit or the service module
U1F37	Absence of communication with the head-up display ECU
U1F38	Absence of communication with the instrument panel matrix display
U1F39	No communication with the rain / brightness sensor
U1F3A	Absence of communication with the windscreen wiper motor(s)
U1F3B	Absence of communication with the multifunction control unit or the seat belt not fastened warning lamp
U1F3C	No communication with the diesel additive pump
U1F3D	Of absence of communication with the distance alert ECU
U1F3E	Absence of communication with the telematic unit
U1F3F	Absence of communication with the blind spot monitoring unit
U1F40	Absence of communication with the battery charge status control unit
U1F41	Absence of communication with the supplies protection and management unit
U1F42	No communication with the air conditioning ECU
U1F43	Absence of communication with the airbags and pre-tensioners unit
U1F44	Absence of communication with the alarm ECU
U1F45	Absence of communication with the trailer relay unit
U1F46	Absence of communication with the motorised boot unit
U1F47	Absence of communication with the mains beams assistant ECU
U1F48	Absence of communication with the ESP ECU
U1F49	Absence of communication with the electric power steering ECU
U1F4A	Absence of communication with the suspension ECU
U1F4B	No communication with the dynamic headlamp adjustment unit
U1F4C	Absence of communication with the tyre under-inflation detection ECU
U1F4D	No communication with electrically operated parking brake ECU
U1F4E	Absence of communication with the steering wheel angle sensor
U1F50	Of absence of communication with the Adaptive Cruise Control ECU
U1F51	Absence of communication with the multifunction video camera
U1F52	No communication with the under-driver's seat vibrator units control unit
U1F53	Absence of communication with the electric steering lock
U1F54	Absence of communication with the Lane Departure Warning System ECU
U1F55	Absence of communication with the retractable roof ECU
U1F56	Absence of communication with : Driving school module
U1F57	Absence of communication with the alarm ultrasound module
U1F58	Absence of communication with the alarm siren unit
U1F59	Loss of information coming from the Hybrid management ECU 1
U1F5A	Of absence of communication with the pedestrian impact detection ECU
U1F5B	Absence of communication with the hybrid management ECU 1
U1F5C	Absence of communication with the lighting fuse box
U1F5D	Absence of communication with the clock unit
U1F5E	Absence of communication with the controlled air inlet module
U1F5F	Absence of communication with the multifunction touch screen
U1F60	Absence of communication with the seat belt left-hand reversible inertia reel
U1F61	Absence of communication with the seat belt right-hand reversible inertia reel
U1F62	No communication with rear LH electric window unit
U1F63	No communication with rear RH electric window unit
U1F64	No communication with front LH electric window unit
U1F65	No communication with front RH electric window unit
U1F66	Absence of communication with the memorisation lighting unit component
U1F67	Absence of communication with the signalling fuse box
U1F68	Absence of communication with the panoramic visual assistance ECU
U1F6A	Absence of communication with the on-board network voltage maintaining unit
U1F6B	In the information transmitted by the
U1F6C	Absence of communication with the telematic receiver control
U1F6D	Absence of communication with the multifunction touch screen
U1F6E	Absence of communication with the coachbuilder conversion unit
U1F6F	Driver monitoring camera not communicating on the Passenger Compartment CAN
U1F70	In the distance alert function status from the built-in systems interface
U1F71	Engine speed data fault
U1F72	Fuel level information fault
U1F74	Information sent by the CNG / LPG ECU
U1F75	In the information from the gear change paddles
U1F76	Hybrid counter information fault
U1F77	Abnormal presence of communication with the electric steering lock with the ignition on
U1F78	Signal error transmitted by the steering wheel angle sensor over the CAN network
U1F79	In the information sent by the ESP ECU
U1F7A	In the information received by the collision risk alert function from the engine management ECU
U1F7B	Information received by the emergency collision braking function from the engine management ECU
U1F80	Telematic receiver control LIN
U1F81	Communication of the multiplexed control panel on the LIN
U1F82	Absence of communication with the driver's seat comfort ECU
U1F83	Absence of communication with the driver's seat pneumatic functions ECU
U1F84	Absence of communication with the passenger's seat pneumatic functions ECU
U1F85	LIN fault 4
U1F89	Calibration fault
U1F8A	Absence of communication with the hands full access ECU, left-hand side
U1F8B	Absence of communication with the hands-free boot access ECU, right-hand side or rear
U1F8F	Built-in systems interface not communicating on the suspension and wheels CAN / High speed CAN
U1F90	Loss of information from the built-in systems interface
U1F91	Loss of information from the ESP ECU
U1F92	Loss of information from the engine management ECU
U1F93	Loss of information from the steering wheel angle ECU
U1F94	Loss of steering wheel angle sensor information fault
U1F95	Loss of driving direction information fault
U1F96	Loss of datastream in the parking assistance ECU
U1F97	In the information received by the collision risk alert function from the gearbox ECU
U1F98	Loss of CAN information received by the collision
U1F99	Loss of CAN information received by the distance alert ECU coming from the gearbox ECU
U1F9B	The information received from the built-in systems interface is not coherent
U1F9D	No communication with the parking assistance ECU
U1F9E	No communication from the audio-navigation touch buttons
U1FA0	LVDS response time incorrect
U1FA1	Communication on the LVDS network
U1FA2	No communication with the driver surveillance camera
U1FA3	Absence of communication with the rear view ECU
U1FA7	Absence of communication with the front right seat heated pads and ventilation regulation ECU
U1FA8	Absence of communication with the rear right seat heated pads and ventilation regulation ECU
U1FA9	Absence of communication with the front left seat heated pads and ventilation regulation ECU
U1FAA	Absence of communication with the rear left seat heated pads and ventilation regulation ECU
U1FAE	Communication delays on the CAN
U1FAF	Yaw angle of the vehicle
U1FB0	Condition of the headlamps
U1FB1	VIN
U1FB2	Ambient brightness
U1FB3	Exterior temperature
U1FB5	High-speed CAN network 3 or 4
U1FB6	Absence of communication with the coolant heater ECU
U1FBA	Impulse gear lever silent on high-speed CAN network 3 or 4
U1FBB	Information received from the built-in systems interface ( BSI1 or VSM1) on the high speed CAN 3
U1FC5	No communication on the high speed CAN 6 with the built-in systems interface
U1FF3	LIN

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Makes that use these codes

• Peugeot63 models
• Citroën47 models
• DS8 models

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