HVAC Module DTC Chart
WARNING: This page is about a different car, the 2010 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only DTCs related to the heated seat system are listed. For all other HVAC module DTCs, refer to
MULTIFUNCTION ELECTRONIC MODULES
.
HVAC MODULE DTC CHART
| DTC | Description | Action |
|---|---|---|
| B12AB | Drivers Heated Seat Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST B . |
| B12AC | Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground | If the driver heated seat does not heat, GO to PINPOINT TEST B . If the driver heated seat will not shut off, GO to PINPOINT TEST D . |
| B12AD | Passenger Heated Seat Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST C . |
| B12AE | Passenger Heated Seat Relay Drive Circuit Open or Shorted to Ground | If the passenger heated seat does not heat, GO to PINPOINT TEST C . If the passenger heated seat will not shut off, GO to PINPOINT TEST D . |
| All Other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES . |