Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The system monitors the voltage on the AWD indicator control circuit.
- If the system detects a voltage of 2 volts or less for 1.5 seconds when the AWD indicator is not commanded, the DTC is logged.
- If the system detects a voltage of 4.5 volts or more when the AWD indicator is commanded, the DTC is logged.