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

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. 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.