Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Passlock(tm) module will inspect for a valid code when ignition is rotated from RUN to CRANK position and will continue to monitor the signal during engine running period.
- Passlock(tm) module is reading a valid but different code value than previously learned form Passlock(tm) sensor.