Section 20 (Theft Deterrent System)
WARNING: This page is about a different car, the 2002 GMC Safari, 2002 Chevrolet Astro, 2001 GMC Safari, and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
- Component Locator
- Diagnostic Information And Procedures
- Diagnostic Tests
- DTC B2947: Short To Ground On Passlock Sensor Power Circuit
- DTC B2948: Battery Voltage Sensed After Shut Down
- DTC B2957: BCM Signal Input Less Than 0.4 Volt After Ignition CRANK
- DTC B2958: BCM Signal Input Greater Than 4.9 Volts After Ignition CRANK
- DTC B2960: Invalid Passlock™ Code Sensed
- DTC B3031: BCM Learn Mode Does Not See Valid Passlock™ Sensor Code
- DTC B3033: BCM Reads A Tamper Code From Passlock™ Sensor
- DTC P1626: BCM To PCM Communication
- DTC P1631: PCM Did Not Receive A Valid Password
- Symptom Testing
- Repair Instructions
- Description And Operation
- Special Tools And Equipment