HVAC Module DTC Chart
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only heated seat system related DTCs are listed. For all other HVAC module DTCs, refer to
DIAGNOSTIC TROUBLE CODE (DTC) CHART
.
NOTE:
This module utilizes a 5-character DTC followed by a 2-character failure type code. The failure type code provides information about specific fault conditions such as opens or shorts to ground. Continuous Memory Diagnostic Trouble Codes (CMDTCs) have an additional 2-character DTC status code suffix to assist in determining DTC history.
DTC CHART
| DTC | Description | Action |
|---|---|---|
| B1030:12 | Left Front Seat Heater: Circuit Short to Battery | GO to PINPOINT TEST C . |
| B1030:14 | Left Front Seat Heater: Circuit Short to Ground or Open | GO to PINPOINT TEST C . |
| B1032:12 | Right Front Seat Heater: Circuit Short to Battery | GO to PINPOINT TEST D . |
| B1032:14 | Right Front Seat Heater: Circuit Short to Ground or Open | GO to PINPOINT TEST D . |
| B12AB | Drivers Heated Seat Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST C . |
| B12AC | Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground | GO to PINPOINT TEST C . |
| B12AD | Passenger Heated Seat Relay Drive Circuit Shorted to Battery Voltage | GO to PINPOINT TEST D . |
| B12AE | Passenger Heated Seat Relay Drive Circuit Open or Shorted to Ground | GO to PINPOINT TEST D . |
| All Other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart DIAGNOSTIC TROUBLE CODE (DTC) CHART . |