DTC Chart: HVAC Module
WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
HVAC Module DTC Chart
| DTC | Description | Action |
|---|---|---|
| B1C83:12 | Rear Defog Relay: Circuit Short to Battery | GO to Pinpoint Test H |
| B1C83:14 | Rear Defog Relay: Circuit Short To Ground or Open | If the rear window defrost system is inoperative, GO to Pinpoint Test H If the rear window defrost system does not shut off automatically, GO to Pinpoint Test I |
| All other Diagnostic Trouble Codes (DTCs) | - | Refer to the appropriate Climate Control System article for the procedure. |