Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- A damaged or bound up temperature door mechanism.
- Improper alignment of the temperature door after air temperature actuator replacement.
- The air temperature actuator has not been calibrated after replacement.
- During calibration, the position feedback reading is not within an acceptable range.