HVAC Module DTC Chart
NOTE:
Only the heated seat system related DTCs are listed. For all other HVAC module DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES
article.
| DTC | Description | Action |
|---|---|---|
| B12AB | Drivers Heated Seat Relay Drive Circuit Shorted to Battery Voltage | Go to Pinpoint Test G . |
| B12AC | Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground | Go to Pinpoint Test G . |
| B12AD | Passenger Heated Seat Relay Drive Circuit Shorted to Battery Voltage | Go to Pinpoint Test H . |
| B12AE | Passenger Heated Seat Relay Drive Circuit Open or Shorted to Ground | Go to Pinpoint Test H . |
| All Other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |