HVAC Module DTC Chart
NOTE:
Only heated seat system related DTCs are listed. For all other HVAC module DTCs, refer to
MULTIFUNCTION ELECTRONIC MODULE
article.
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.
HVAC MODULE 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 in MULTIFUNCTION ELECTRONIC MODULE article. |