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.
- Ignition switch is in OFF position.
- Passlock(tm) module turns sensor power OFF when ignition switch is in OFF position.
- During the 0.1 second shut down of voltage, if Passlock(tm) module senses battery voltage, DTC B2948 will set.