BCM Trouble Codes
BCM TROUBLE CODES
| Code | Circuit Affected |
|---|---|
| B110 | Outside Temperature Sensor Circuit |
| B111 | A/C High Side Temperature Sensor |
| B112 | A/C Low Side Temperature Sensor |
| B113 | In-Car Temperature Sensor Circuit |
| B115 | Sunload Sensor Circuit |
| B119 | Twilight Photocell Circuit |
| B120 | Twilight Delay Switch Pot Circuit |
| B121 | Twilight Enable Switch Circuit |
| B122 | Panel Dimming Switch |
| B123 | Courtesy Lamp Switch Circuit |
| B127 | PRNDD21 Sensor |
| B132 | Engine Oil Pressure Sensor Circuit |
| B140 | Phone System Problem (CRT equipped) |
| B332 | Loss of Compass Data to BCM (CRT equipped) |
| B333 | Loss of SIR Data to BCM |
| B334 | Loss of ECM Data to BCM |
| B335 | Loss of ECCP Data or CRT Controller Data to BCM |
| B336 | Loss of IPC Data to BCM |
| B337 | Loss of Programmer Data to BCM |
| B410 | Charging System Problem |
| B411 | Battery Voltage Too Low |
| B412 | Battery Voltage Too High |
| B440 | HVAC-Air Mix Door Circuit |
| B446, 447 & 448 | Low Refrigerant Pressure |
| B449 | HVAC-High Side Temperature Too High |
| B450 | HVAC-Coolant Temperature Too High |
| B552 | BCM Keep Alive Memory Error |
| B556 | Odometer (EE) PROM Error |
| C710 | CRT-TO-CTR Controller Communication Failure (CRT equipped) |
NOTE:
To repeat trouble code display sequence, depress OFF button on ECCP of NON-CRT equipped vehicles. On CRT equipped vehicles, touch LEVL key on CRT monitor panel.