Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The position signal of the air temperature door is out of the range 0.09-4.0 volts (5-250 counts).
- The total travel range of the air temperature actuator falls without the calibrated limits.