Operation CHARM: Car repair manuals for everyone.

Clearing Trouble Codes - HVAC System - Manual



DIAGNOSTIC TROUBLE CODE (DTC) CLEARING

The HVAC control module DTCs will clear when the rear defrost switch is pressed during diagnostic mode. Refer to the follow procedure:

1. Turn OFF the ignition.
2. Press and hold the following HVAC control module switches:
- A/C request switch
- Recirculation switch
- Rear defrost switch
3. While pressing the switches, turn the ignition to the Run position.
4. Wait 5 seconds.
5. Press the rear defrost switch.