VAG Fault Codes & DTC List
Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.
| Code | Meaning | Applicability |
|---|---|---|
| P3348 | Control Circuit for Controller for Turbocharger 1 (J724): Electrical Malfunction | OBD |
| P3348 | Control Circuit for Controller for Turbocharger 1 (J724): Electrical Malfunction | OEM |
| P334B | Charge Pressure Control Actuator: Mechanical Malfunction | DECIMAL |
| P334B | Charge Pressure Control Actuator: Mechanical Malfunction | OBD |
| U0103 | No Communication with Gear Selector Module | DECIMAL |
| U0103 | No Communication with Gear Selector Module | OBD |
| U0103 | No Communication with Gear Selector Module | OEM |
| U0155 | No Communication with Instrument Cluster | DECIMAL |
| U0155 | No Communication with Instrument Cluster | OBD |
| U0155 | No Communication with Instrument Cluster | OEM |
| U0212 | Steering Column Control Module: No Communication | DECIMAL |
| U0212 | Steering Column Control Module: No Communication | OBD |
| U0212 | Steering Column Control Module: No Communication | OEM |
| U0429 | Invalid Data Received from Steering Column Control Module | DECIMAL |
| U0429 | Invalid Data Received from Steering Column Control Module | OBD |
| U0429 | Invalid Data Received from Steering Column Control Module | OEM |
| U1013 | Control Module Not Coded | DECIMAL |
| U1013 | Control Module Not Coded | OBD |
| U1013 | Control Module Not Coded | OEM |
| U102F | Fan Identification Sensor: No Communications | DECIMAL |
| U102F | Fan Identification Sensor: No Communications | OBD |
| U1052 | Generator: No Communication | DECIMAL |
| U1052 | Generator: No Communication | OBD |
| U1100 | Component Protection: No Basic Setting | DECIMAL |
| U1100 | Component Protection: No Basic Setting | OBD |
| U1100 | Component Protection: No Basic Setting | OEM |
| U1101 | Component Protection: Active | DECIMAL |
| U1101 | Component Protection: Active | OBD |
| U1101 | Component Protection: Active | OEM |
| U1122 | Databus | OBD |
| U1400 | Function Restricted due to Insufficient Voltage | DECIMAL |
| U1400 | Function Restricted due to Insufficient Voltage | OBD |
| U1400 | Function Restricted due to Insufficient Voltage | OEM |
Need another manufacturer? Search all fault codes.