Section 1871 (Immobilizer System)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Wiring Schematics
- Diagnostic Information and Procedures
- Diagnostic Code Index
- DTC B3006
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- DTC B302A
- DTC B3031
- DTC B3055
- DTC B3060
- DTC B3935
- DTC B3976
- DTC P0513
- DTC P0633
- DTC P1629
- DTC P162B
- DTC P1631
- DTC P1632
- DTC P254F
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Immobilizer
- Symptoms - Reduced Engine Power Message
- Hood Ajar Indicator/Message Malfunction
- Repair Instructions
- Description and Operation