Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
The auxiliary HVAC control module will attempt to position the actuator to its default position. They are as follows:
- B0145 defaults the auxiliary mode actuator to the floor position.
- B0428 defaults the auxiliary air temperature actuator to the full hot position.
- B3531 defaults the console mode actuator to the floor position.