Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- A damaged or broken air temperature actuator or mode door can cause this DTC to set.
- If the condition is not present refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS .