VW(FAW) fault codes
Coverage shown is Volkswagen data: 3,421 codes · 292 vehicle records · 248 ECU records · 0 live-data parameters.
VW(FAW) shares fault-code data with Volkswagen. Data may not cover VW(FAW)-specific systems.
Codes 3,421
| Code | Description | Brands | System |
|---|---|---|---|
| U101D00 | Power steering control unit | 1 | Network |
| U1023 | De-Inhibit Completed Previously - Vehicle is not in Inhibited state. Clear codes and verify if DTC is no longer present in BCM | 18 | Network |
| U1024 | Loss of serial communications for class 2 devices | 18 | Network |
| U1025 | Loss of serial communications for class 2 devices | 17 | Network |
| U1026 | Vehicles with code JQYA | 18 | Network |
| U102A | Internal Master/Slave CAN bus 2: defective; Lower limit exceeded | 10 | Network |
| U102B | Internal Master/Slave CAN bus 2: no communications; Short to plus | 2 | Network |
| U103000 | Local data bus - electrical fault | 1 | Network |
| U103100 | FlexRay data bus no synchronisation | 2 | Network |
| U103200 | Die Fahrwerk-CAN-Kommunikation hat Funktionsstörung. | 2 | Network |
| U1034 | Adaptive damping system | 14 | Network |
| U1035 | NOx sensor 1 bank 2: implausible signal; Open or short to ground | 13 | Network |
| U1036 | NOx sensor 1 bank 2: no communication; Open or short to plus | 13 | Network |
| U103B | A/C compressor: no communication; Short to plus | 10 | Network |
| U103C | A/C compressor: implausible signal; No or incorrect basic setting / adaptation | 3 | Network |
| U104800 | FlexRay data bus defective | 1 | Network |
| U105000 | Perform fault finding for the DTC memory entry | 1 | Network |
| U10BB | Control module for steering assist: implausible signal | 1 | Network |
| U10BC00 | Coding not possible | 1 | Network |
| U10C2 | NOx sensor 2 bank 1: no communication; Mechanical failure | 1 | Network |
| U10C500 | No description available | 1 | Network |
| U10DD | Missing message(s) from clutch actuator; Implausible signal | 1 | Network |
| U10DE | Implausible message(s) from clutch actuator; Short to plus | 1 | Network |
| U10E5 | No communications with TCU on hybrid CAN; Electrical fault in circuit | 1 | Network |
| U10EB | Implausible messages from drive power electronics on hybrid CAN | 1 | Network |
| U1103 | Production mode active | 31 | Network |
| U110300 | Production mode active | 2 | Network |
| U110400 | Extended bus mode active | 1 | Network |
| U110600 | Customer service mode active | 1 | Network |
| U1111 | Lost communication (IDM) | 30 | Network |
| U111100 | Functional impairment due to missing message | 2 | Network |
| U1112 | Function restriction due to implausible message(s) | 30 | Network |
| U111200 | Fault finding | 2 | Network |
| U1113 | Valid except model 177 | 26 | Network |
| U111300 | THRIFT DRT failure | 2 | Network |
| U111600 | At present the fault memory entry - Subnetwork operation not available is entered | 1 | Network |
| U111A00 | Implausible data were received from the control unit 'Mercedes-Benz Intelligent Drive'. | 2 | Network |
| U111C00 | Presentation mode active | 1 | Network |
| U1121 | Communication failure with electric steering ECU | 29 | Network |
| U112100 | data bus, missing message | 2 | Network |
| U1122 | Data bus implausible message | 26 | Network |
| U1123 | Lost communication with LIN ECU 3 | 26 | Network |
| U112300 | DTC Databus error value received | 2 | Network |
| U129E | Test step | 3 | Network |
| U1400 | Alternator LIN network failure | 27 | Network |
| U140000 | Functional impairment | 2 | Network |
| U1401 | Scope present in vehicle - Connect connector to COMAND controller unit | 33 | Network |
| U140100 | Functional impairment due to | 2 | Network |
| U140500 | Environmental conditions relating to the sporadic fault - Terminal 15 implausible signal in the data bus diagnostic interface -J533 | 2 | Network |
| U140600 | Static current too high | 2 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.