Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| U11E9 | Lost Communication with AGS | 3 | Network |
| U11EA | No description available | 3 | Network |
| U11EB | No description available | 2 | Network |
| U11EC | No description available | 2 | Network |
| U11ED | No description available | 2 | Network |
| U11EE | No description available | 2 | Network |
| U11EF | No description available | 2 | Network |
| U11F0 | No description available | 2 | Network |
| U11F1 | No description available | 2 | Network |
| U11F2 | No description available | 2 | Network |
| U11F3 | No description available | 2 | Network |
| U11F4 | No description available | 2 | Network |
| U11F5 | No description available | 2 | Network |
| U11F6 | No description available | 3 | Network |
| U11F7 | No description available | 2 | Network |
| U11F8 | No description available | 2 | Network |
| U11F9 | Engine did not respond to Adaptive Cruise Control (ACC) torque request | 3 | Network |
| U1200 | Loss of serial communications for class 2 devices | 23 | Network |
| U1201 | Communication error | 21 | Network |
| U1202 | MCU CAN communication error 2 | 20 | Network |
| U1203 | Loss of serial communications for class 2 devices | 23 | Network |
| U1204 | Loss of serial communications for class 2 devices | 21 | Network |
| U1205 | No communication with the steering angle sensor | 23 | Network |
| U1206 | Loss of serial communications for class 2 devices | 18 | Network |
| U1207 | Lost communication with hybrid power management electronic control unit 1 | 15 | Network |
| U1210 | Lost communication with automatic transmission electronic control unit | 16 | Network |
| U1211 | Engine parity/toggle bit error | 14 | Network |
| U1212 | CAN network | 15 | Network |
| U1213 | The information sent by the electronic stability program ECU is faulty. | 17 | Network |
| U1214 | Loss of serial communications for class 2 devices | 12 | Network |
| U1218 | CAN BCM invalid value | 17 | Network |
| U1220 | Loss of serial communications for class 2 devices | 10 | Network |
| U1221 | Loss of serial communications for class 2 devices | 14 | Network |
| U1260 | SRS airbagFault Time Out | 5 | Network |
| U1261 | Motor flap suhu | 4 | Network |
| U1262 | J1850 SCP Comm Bus Fault - Instr Clstr | 13 | Network |
| U1263 | Universal Serial Bus (USB) Circuit | 10 | Network |
| U1280 | B-CAN communication circuit fault (bus off) (OTA management unit) Possible fault location and cause CAN node B line fault (CAN2H/CAN2L) ECU internal circuit fault | 5 | Network |
| U1281 | Vehicle Control Unit (VCU) CAN2 communication fault | 5 | Network |
| U1282 | Vehicle Control Unit (VCU) CAN3 communication fault | 5 | Network |
| U1283 | VCU and motor controller communication failure | 6 | Network |
| U1284 | Vehicle Control Unit (VCU) communication failure with charger | 4 | Network |
| U1285 | VCU and BMS communication failure | 4 | Network |
| U1286 | Battery Management System (BMS) sub-board communication failure | 6 | Network |
| U1287 | Vehicle Control Unit (VCU) communication failure with DC/DC | 5 | Network |
| U1288 | Vehicle Control Unit (VCU) communication failure with A/C system | 5 | Network |
| U1289 | Vehicle Control Unit (VCU) communication failure with steering system | 5 | Network |
| U128A | Vehicle Control Unit (VCU) communication failure with insulation monitoring module | 3 | Network |
| U128B | Vehicle Control Unit (VCU) communication failure with instrument | 4 | Network |
| U128C | Wiper Control Unit Communication Failure (Multi-function Camera Unit) Possible Failure Location and Cause B-CAN Signal Line Disconnected/Short Circuit Wiper Control Unit Failure Instrument Cluster Failure | 4 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.