Circuit Description
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2000 GMC Yukon, 2000 GMC Savana Special, 2000 GMC Savana Camper Special, 2000 GMC Savana, and 2000 GMC Pickup. However, it is still accessible from the selected car via links, so may be relevant.
This DTC sets when ignition is active, Passlock™ signal reported to Passlock™ module is not open, short or valid for about one second. System enters tamper mode. Vehicle will not start.