DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| P0B3A | Overload/overtemperature | 22 | Powertrain |
| P0B3B | Under status, open load | 26 | Powertrain |
| P0B3C | Hybrid/EV Battery Voltage Sense A Circuit Range/Performance | 28 | Powertrain |
| P0B3D | Hybrid/EV Battery Voltage Sense A Circuit Low | 27 | Powertrain |
| P0B3E | Hybrid/EV Battery Voltage Sense A Circuit High | 24 | Powertrain |
| P0B3F | Short circuit or open circuit to power supply (+) | 20 | Powertrain |
| P0B40 | Hybrid/EV Battery Voltage Sense B Circuit | 26 | Powertrain |
| P0B41 | Hybrid/EV Battery Voltage Sense B Circuit Range/Performance | 28 | Powertrain |
| P0B42 | Hybrid/EV Battery Voltage Sense B Circuit Low | 28 | Powertrain |
| P0B43 | Hybrid/EV Battery Voltage Sense B Circuit High | 24 | Powertrain |
| P0B44 | Under status, short circuit to ground | 19 | Powertrain |
| P0B45 | Hybrid/EV Battery Voltage Sense C Circuit | 26 | Powertrain |
| P0B46 | Hybrid/EV Battery Voltage Sense C Circuit Range/Performance | 28 | Powertrain |
| P0B47 | Hybrid/EV Battery Voltage Sense C Circuit Low | 27 | Powertrain |
| P0B48 | Hybrid/EV Battery Voltage Sense C Circuit High | 24 | Powertrain |
| P0B49 | Under status, open load | 19 | Powertrain |
| P0B4A | Hybrid/EV Battery Voltage Sense D Circuit | 27 | Powertrain |
| P0B4B | Hybrid/EV Battery Voltage Sense D Circuit Range/Performance | 28 | Powertrain |
| P0B4C | Short circuit to battery (+) | 27 | Powertrain |
| P0B4D | Short circuit or open circuit to power (-) | 24 | Powertrain |
| P0B4E | Short circuit to power (+) | 19 | Powertrain |
| P0B4F | Open circuit or short to battery negative terminal | 25 | Powertrain |
| P0B50 | Hybrid/EV Battery Voltage Sense E Circuit Range/Performance | 27 | Powertrain |
| P0B51 | Open circuit or short circuit to battery (-) | 26 | Powertrain |
| P0B52 | Short circuit to | 23 | Powertrain |
| P0B53 | Open circuit or short to battery positive terminal | 19 | Powertrain |
| P0B54 | Overload/overtemperature | 25 | Powertrain |
| P0B55 | Hybrid/EV Battery Voltage Sense F Circuit Range/Performance | 27 | Powertrain |
| P0B56 | There is a non-safety fault inside the compressor | 26 | Powertrain |
| P0B57 | Compressor safety fault (including interlock fault) | 23 | Powertrain |
| P0B58 | Compressor high voltage side power supply detection failure | 19 | Powertrain |
| P0B59 | Compressor high voltage power supply failure | 26 | Powertrain |
| P0B5A | Hybrid/EV Battery Voltage Sense G Circuit Range/Performance | 26 | Powertrain |
| P0B5B | Electronic expansion valve circuit open | 26 | Powertrain |
| P0B5C | Electronic expansion valve voltage is low | 23 | Powertrain |
| P0B5D | Electronic expansion valve voltage is high | 19 | Powertrain |
| P0B5E | Electronic expansion valve overcurrent | 25 | Powertrain |
| P0B5F | Electronic expansion valve overtemperature | 25 | Powertrain |
| P0B60 | Positive Temperature Coefficient (PTC) is faulty | 25 | Powertrain |
| P0B61 | PTC LIN communication failure | 22 | Powertrain |
| P0B62 | PTC interlock status error | 19 | Powertrain |
| P0B63 | Insulated gate bipolar transistor (IGBT) and other hardware failures | 25 | Powertrain |
| P0B64 | Overcurrent and Printed Circuit Board (PCB) overtemperature | 25 | Powertrain |
| P0B65 | Coolant overtemperature protection | 25 | Powertrain |
| P0B66 | The vehicle high voltage is abnormal | 22 | Powertrain |
| P0B67 | Overload/overtemperature | 19 | Powertrain |
| P0B68 | Under status, open load | 25 | Powertrain |
| P0B69 | Overload/overtemperature | 24 | Powertrain |
| P0B6A | Under status, open load | 24 | Powertrain |
| P0B6B | Hybrid Battery Voltage Sense 'J' Circuit High | 22 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.