FixVault

Seating 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 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 .