BYD fault codes
7,677 codes · 97 vehicle records · 71 ECU records · 0 live-data parameters
Codes 7,677
| Code | Description | Brands | System |
|---|---|---|---|
| B2A26 | Solar sensor open circuit | 1 | Body |
| B2A27 | Solar sensor short circuit | 1 | Body |
| B2A28 | Water temperature sensor open circuit | 2 | Body |
| B2A29 | Water temperature sensor short circuit | 1 | Body |
| B2A2A | Mode motor fault | 1 | Body |
| B2A2B | Cooling and heating motor fault | 2 | Body |
| B2A2C | Copilot heating and cooling motor failure | 2 | Body |
| B2A2D | Blower fault | 2 | Body |
| B2A2E | Main controller does not receive permission signal from BCM | 1 | Body |
| B2A2F | A/C line pressure fault | 1 | Body |
| B2A30 | Master controller not received BCM engine model message | 1 | Body |
| B2A31 | Front control panel not connected to CAN bus | 1 | Body |
| B2A3F | Temperature humidity sensor temperature part broken circuit | 1 | Body |
| B2A40 | Temperature humidity sensor temperature part short circuit | 7 | Body |
| B2A41 | Temperature humidity sensor humidity part broken circuit | 1 | Body |
| B2A42 | Temperature humidity sensor humidity part short circuit | 1 | Body |
| B2A43 | Air quality sensor broken circuit or its internal circuit fault | 1 | Body |
| B2A44 | Driver channel sensor | 7 | Body |
| B2A45 | Driver channel sensor short circuit | 1 | Body |
| B2A46 | Front passenger side duct sensor circuit open | 1 | Body |
| B2A47 | Front passenger side duct sensor circuit short | 1 | Body |
| B2A4B | Circulation motor fault | 1 | Body |
| B2A4C | IG2 under voltage | 1 | Body |
| B2A4D | IG2 over voltage | 1 | Body |
| B2A4E | Pressure sensor broken circuit | 1 | Body |
| B2A4F | Pressure sensor short circuit | 1 | Body |
| B2A50 | High voltage contactor sintering | 1 | Body |
| B2A58 | Driver side face duct sensor fault | 1 | Body |
| B2A59 | Driver side foot duct sensor fault | 1 | Body |
| B2A5A | Front passenger face blowing channel sensor circuit open | 1 | Body |
| B2A5B | Front passenger side foot vent duct sensor circuit open | 1 | Body |
| B2A5C | Three-way water valve motor 1 fault | 1 | Body |
| B2A5D | Three-way water valve motor 2 fault | 1 | Body |
| B2A5E | Driver side face vent duct sensor circuit short | 1 | Body |
| B2A5F | Driver blowing feet channel sensor circuit short | 1 | Body |
| B2A60 | Front passenger side face vent duct sensor circuit short | 3 | Body |
| B2A61 | Camera heater circuit open (multi-function camera unit) Possible fault location and cause: Heater wire open circuit Fuse blown | 2 | Body |
| B2A62 | Camera heater circuit body short circuit | 2 | Body |
| B2A63 | Pressure sensor in PT sensor circuit short | 1 | Body |
| B2A64 | Electronic expansion valve fault | 1 | Body |
| B2A65 | Air volume compensation flap motor fault of evaporator | 1 | Body |
| B2AB0 | Current sampling fault | 1 | Body |
| B2AB1 | Motor phase loss | 1 | Body |
| B2AB2 | IPM/IGBT fault | 1 | Body |
| B2AB3 | Internal temperature too high | 1 | Body |
| B2AB4 | Internal over-current fault | 1 | Body |
| B2AB5 | Start-up failed | 1 | Body |
| B2AB6 | Abnormal temperature | 1 | Body |
| B2AB7 | Speed anomaly | 1 | Body |
| B2AB8 | Phase over-voltage fault | 1 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.