MG (SAIC) fault codes
7,311 codes · 85 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,311
| Code | Description | Brands | System |
|---|---|---|---|
| P1A21 | Hybrid/electric vehicle battery - Water intrusion detected | 16 | Powertrain |
| P1A22 | Hybrid/EV DC Bus 'A' Shorted | 15 | Powertrain |
| P1A23 | BIC4 temperature sampling disconnection fault | 15 | Powertrain |
| P1A24 | BIC5 temperature sampling disconnection fault | 9 | Powertrain |
| P1A25 | Discharge ON timeout (MCU) | 12 | Powertrain |
| P1A26 | Power Converter B - High Voltage Supply Circuit - System Internal Failures | 11 | Powertrain |
| P1A27 | Front Electric Drive Unit Oil Module Transmission Fluid Pump - No Operation | 9 | Powertrain |
| P1A28 | Front Electric Drive Unit Oil Module Transmission Fluid Pressure Sensor - Signal Invalid | 9 | Powertrain |
| P1A29 | Wheel Sensor Third Axle Left. Frequency Too High | 11 | Powertrain |
| P1A2A | Hybrid/EV Battery High Voltage Bus Test Circuit | 11 | Powertrain |
| P1A2B | Hybrid/EV Battery Supply Voltage Measurement Circuit | 9 | Powertrain |
| P1A2C | Rear Electric Drive Unit Oil Module Transmission Fluid Pump - No Operation | 9 | Powertrain |
| P1A2D | Rear Electric Drive Unit Oil Module Transmission Fluid Pressure Sensor - No Operation | 10 | Powertrain |
| P1A2E | Rear Electric Drive Unit Rear Oil Acquisition Module - System Voltage High | 9 | Powertrain |
| P1A36 | Traction battery single cell voltage generally too high | 8 | Powertrain |
| P1A37 | Traction battery single cell voltage seriously too low | 8 | Powertrain |
| P1A38 | Traction battery single cell voltage generally too low | 9 | Powertrain |
| P1A39 | Traction battery single cell temperature seriously too high | 10 | Powertrain |
| P1A3A | Traction battery single cell temperature generally too high | 9 | Powertrain |
| P1A3B | Traction battery single cell temperature seriously too low | 14 | Powertrain |
| P1A3C | Traction battery single cell temperature generally too low | 10 | Powertrain |
| P1A3D | Negative contactor check-back fault | 8 | Powertrain |
| P1A3E | Positive contactor check-back fault | 10 | Powertrain |
| P1A3F | Pre-charge contactor check-back fault | 9 | Powertrain |
| P1A40 | Traction battery | 11 | Powertrain |
| P1A41 | Traction battery | 10 | Powertrain |
| P1A42 | Shift lever R lamp circuit low | 10 | Powertrain |
| P1A43 | Shift lever R lamp circuit high | 10 | Powertrain |
| P1A44 | Charging sensor fault | 9 | Powertrain |
| P1A4A | Driving relay fault | 15 | Powertrain |
| P1A4C | Single battery voltage too high | 9 | Powertrain |
| P1A4D | Current hall sensor fault | 9 | Powertrain |
| P1A4E | ICM Internal Malfunction(Torque Calculation) | 18 | Powertrain |
| P1A4F | Single battery voltage too low | 15 | Powertrain |
| P1A50 | Drive motor 1 control module random access memory | 16 | Powertrain |
| P1A51 | Drive motor 1 control module read only memory | 17 | Powertrain |
| P1A52 | Drive motor 2 control module not programmed | 16 | Powertrain |
| P1A53 | Drive motor 2 control module random access memory | 15 | Powertrain |
| P1A54 | Collision hardwire alarm | 14 | Powertrain |
| P1A55 | Battery pack capacity low | 14 | Powertrain |
| P1A56 | Hybrid/EV System Voltage Discharge Circuit | 13 | Powertrain |
| P1A57 | High current pull-off contactor | 14 | Powertrain |
| P1A58 | CMU07 cell voltage low | 16 | Powertrain |
| P1A59 | CMU08 cell voltage low | 15 | Powertrain |
| P1A5A | Hybrid/EV battery pack temperature | 15 | Powertrain |
| P1A5B | Battery ECU fault | 14 | Powertrain |
| P1A5C | Motor Torque Control Malfunction | 14 | Powertrain |
| P1A5D | Motor Torque Adjustment Malfunction | 14 | Powertrain |
| P1A5E | Motor Secondary Over Current | 16 | Powertrain |
| P1A5F | Generator Motor Phase Current Sensor | 14 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.