Proton fault codes
8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters
Codes 8,866
| Code | Description | Brands | System |
|---|---|---|---|
| P0AEE | Drive Motor Inverter Temperature Sensor A Circuit Range/Performance | 29 | Powertrain |
| P0AEF | Motor controller temperature sensor short circuit (SL) | 29 | Powertrain |
| P0AF0 | Motor controller temperature sensor open circuit (SH) | 30 | Powertrain |
| P0AF3 | Drive Motor Inverter Temperature Sensor B Circuit Range/Performance | 27 | Powertrain |
| P0AF4 | Drive Motor Inverter Temperature Sensor B Circuit Low | 25 | Powertrain |
| P0AF5 | Drive Motor Inverter Temperature Sensor B Circuit High | 26 | Powertrain |
| P0AFA | The bus voltage is lower than the lower limit of the operating voltage. | 28 | Powertrain |
| P0AFB | The bus voltage is higher than the upper limit of the operating voltage | 28 | Powertrain |
| P0B0F | Hybrid/EV Battery Pack Current Sensor B Circuit Range/Performance | 26 | Powertrain |
| P0B10 | Hybrid/EV Battery Pack Current Sensor B Circuit Low | 28 | Powertrain |
| P0B11 | Hybrid/EV Battery Pack Current Sensor B Circuit High | 27 | Powertrain |
| P0B25 | Hybrid Battery 'A' Voltage Low | 23 | Powertrain |
| P0B26 | Hybrid/EV Battery A Voltage High | 26 | Powertrain |
| P0B29 | Hybrid Battery 'B' Voltage Low | 23 | Powertrain |
| P0B2A | Hybrid/EV Battery B Voltage High | 24 | Powertrain |
| P0B2D | Hybrid Battery 'C' Voltage Low | 21 | Powertrain |
| P0B2E | Hybrid Battery 'C' Voltage High | 21 | Powertrain |
| P0B31 | Hybrid Battery 'D' Voltage Low | 21 | Powertrain |
| P0B32 | Hybrid Battery 'D' Voltage High | 21 | Powertrain |
| P0B3B | Under status, open load | 26 | Powertrain |
| P0B3C | Hybrid/EV Battery Voltage Sense A Circuit Range/Performance | 28 | Powertrain |
| P0B40 | Hybrid/EV Battery Voltage Sense B Circuit | 26 | Powertrain |
| P0B41 | Hybrid/EV Battery Voltage Sense B Circuit Range/Performance | 28 | Powertrain |
| P0B45 | Hybrid/EV Battery Voltage Sense C Circuit | 26 | Powertrain |
| P0B46 | Hybrid/EV Battery Voltage Sense C Circuit Range/Performance | 28 | Powertrain |
| P0B4A | Hybrid/EV Battery Voltage Sense D Circuit | 27 | Powertrain |
| P0B4B | Hybrid/EV Battery Voltage Sense D Circuit Range/Performance | 28 | Powertrain |
| P0B4F | Open circuit or short to battery negative terminal | 25 | Powertrain |
| P0B50 | Hybrid/EV Battery Voltage Sense E Circuit Range/Performance | 27 | Powertrain |
| P0B54 | Overload/overtemperature | 25 | Powertrain |
| P0B55 | Hybrid/EV Battery Voltage Sense F Circuit Range/Performance | 27 | Powertrain |
| P0B59 | Compressor high voltage power supply failure | 26 | Powertrain |
| P0B5A | Hybrid/EV Battery Voltage Sense G Circuit Range/Performance | 26 | Powertrain |
| P0B5E | Electronic expansion valve overcurrent | 25 | Powertrain |
| P0B5F | Electronic expansion valve overtemperature | 25 | Powertrain |
| P0B63 | Insulated gate bipolar transistor (IGBT) and other hardware failures | 25 | Powertrain |
| P0B64 | Overcurrent and Printed Circuit Board (PCB) overtemperature | 25 | Powertrain |
| P0B68 | Under status, open load | 25 | Powertrain |
| P0B69 | Overload/overtemperature | 24 | Powertrain |
| P0B6D | Hybrid Battery Voltage Sense 'K' Circuit | 25 | Powertrain |
| P0B6E | Compressor undervoltage | 24 | Powertrain |
| P0B72 | Hybrid Battery Voltage Sense 'L' Circuit | 25 | Powertrain |
| P0B73 | Hybrid Battery Voltage Sense 'L' Circuit Range/Performance | 24 | Powertrain |
| P0B77 | Hybrid Battery Voltage Sense 'M' Circuit | 25 | Powertrain |
| P0B7C | Hybrid Battery Voltage Sense 'N' Circuit | 25 | Powertrain |
| P0B81 | Hybrid Battery Voltage Sense 'O' Circuit | 25 | Powertrain |
| P0B86 | Check (Automatic Vehicle Detection) button stuck | 25 | Powertrain |
| P0B8B | With/without button 4 stuck | 24 | Powertrain |
| P0B90 | Check (Automatic Vehicle Detection) button stuck | 24 | Powertrain |
| P0B95 | Hybrid Battery Voltage Sense 'S' Circuit | 24 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.