Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- The system monitors the voltage on the 2 high indicator control circuit.
- If the system detects a voltage of 2 volts or less for 1.5 seconds when the 2 high indicator is not commanded, the DTC is logged.
- If the system detects a voltage of 4.5 volts or more when the 2 high indicator is commanded, the DTC is logged.