BUICK fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
BUICK shares fault-code data with GM. Data may not cover BUICK-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| B2647 | Ambient light sensor circuit low | 5 | Body |
| B2648 | Ambient light sensor circuit high | 5 | Body |
| B2650 | LH DRL filament open | 8 | Body |
| B2651 | RH DRL filament open | 8 | Body |
| B2652 | Battery Voltage Out Of Range | 8 | Body |
| B2654 | Passenger compartment dimming 2 circuit low | 5 | Body |
| B2655 | Passenger compartment dimming 2 circuit high | 5 | Body |
| B2657 | Ignition halo lamp output circuit malfunction | 10 | Body |
| B265A | No description available | 6 | Body |
| B2662 | Park lamp switch circuit malfunction | 8 | Body |
| B2665 | Park lamp switch circuit high | 4 | Body |
| B2667 | Headlamp Leveling Motor Output Circuit | 7 | Body |
| B2677 | Headlamp Leveling Right Motor Output Circuit | 6 | Body |
| B2687 | Headlamp Leveling Position Sensor Signal Circuit | 6 | Body |
| B2692 | Headlamp Leveling Control Module Left Position Sensor Supply Circuit | 7 | Body |
| B2697 | headlamp washer request circuit | 6 | Body |
| B2698 | Front Right Fog Light Circuit Open | 6 | Body |
| B2699 | Right Low Beam Circuit Open | 6 | Body |
| B269A | Heater Coolant Pump Control Circuit | 6 | Body |
| B269C | Heater Coolant Pump Control Circuit Low Voltage | 6 | Body |
| B269D | Heater Coolant Pump Control Circuit High Voltage | 6 | Body |
| B2700 | ignition shift interlock circuit | 7 | Body |
| B2701 | ignition shift interlock circuit range/performance | 4 | Body |
| B2702 | ignition shift interlock circuit low | 4 | Body |
| B2703 | ignition shift interlock circuit high | 4 | Body |
| B2704 | ignition shift interlock circuit open | 5 | Body |
| B2705 | Gearshift Unlock Circuit | 7 | Body |
| B2707 | Gearshift Unlock Circuit Low | 3 | Body |
| B2708 | Gearshift Unlock Circuit High | 4 | Body |
| B270A | Electronic expansion valve (EXV) communication lost | 8 | Body |
| B270B | Three-way water valve 1 fault | 8 | Body |
| B2710 | passkey open/shorted pellet | 8 | Body |
| B2711 | passkey open/shorted pellet after good key | 4 | Body |
| B2712 | Gear shift lock circuit low | 4 | Body |
| B2713 | Gear shift lock circuit high | 4 | Body |
| B2719 | ctd-trunk tamper switch fault | 4 | Body |
| B2720 | Transmission Range Switch Circuit | 10 | Body |
| B2721 | Clé codée invalide présente | 10 | Body |
| B2722 | Circuit inter. préférence trans. bas | 11 | Body |
| B2723 | Unreadable key data | 10 | Body |
| B2724 | Electronic Control Unit Hardware | 9 | Body |
| B2725 | ATC mode switch circuit malfunction | 10 | Body |
| B2728 | Parking Assist On/Off Switch Indicator Circuit | 9 | Body |
| B2729 | Rear left seat heater temperature sensor signal - out of range (high temperature) | 12 | Body |
| B272A | Parking Assist Front Sensor Left Middle Circuit | 10 | Body |
| B272B | Rear Axle Differential Lock Switch Circuit | 10 | Body |
| B272C | Front Axle Differential Lock Switch Circuit | 11 | Body |
| B272D | Parking Assist Audio Output 1 Circuit | 10 | Body |
| B2730 | Trunk Release Circuit Malfunction | 10 | Body |
| B2732 | trunk release switch circuit low | 5 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.