Seating DTCS
HVAC MODULE DIAGNOSTIC TROUBLE CODES (DTC) LIST
| 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 article. |