Conditions for Turning On the All-Wheel Drive (AWD) Disable Lamp

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The AWD disable lamp illuminates when one of the following conditions exists for 5 seconds:

The PCM/TCM commands the solenoid ON and the voltage feedback remains high, B+.
The PCM/TCM commands the solenoid OFF and the voltage feedback remains low, 0 volts. This condition is present for 3 key cycles.