Seat System DTCS
HVAC MODULE DIAGNOSTIC TROUBLE CODE (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 DIAGNOSTIC TROUBLE CODE (DTC) CHART article. |