HVAC Module
HVAC MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B12BE | Heated Backlight/Mirror Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST F . |
| B12BF | Heated Backlight/Mirror Relay Drive Circuit Open or Shorted to Ground | If the rear window does not defrost, GO to PINPOINT TEST F
. If the rear window defrost does not turn off, GO to PINPOINT TEST G . |
| B1C83:12 | Rear Defog Relay: Circuit Short to Battery | GO to PINPOINT TEST F . |
| B1C83:14 | Rear Defog Relay: Circuit Short to Ground or Open | If the rear window does not defrost, GO to PINPOINT TEST F
. If the rear window defrost does not turn OFF, GO to PINPOINT TEST G . |
| All other DTCs | - | REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULE article. |