Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM signal input is greater than 4.9 volts, or less than 0.4 volts for 1 second after turning the ignition switch to the CRANK Position
- The BCM is reading a valid but different code value than previously learned, or a tamper from the Passlock sensor.