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Immobilizer System
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Immobilizer System
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Wiring Schematics
Immobilizer Wiring Schematics
Diagnostic Information and Procedures
Diagnostic Code Index
DTC B2955
Diagnostic Instructions
DTC Descriptor
Diagnostic Fault Information
Circuit/System Description
Without BTM/ATH
With BTM/ATH
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 Testing
Repair Procedures
DTC B302A
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Reference Information
Circuit/System Verification
DTC B3031
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B3055
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B3060
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B389A
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Procedures
DTC B3902
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B3935
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B3976
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC B3984
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC P0513
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Reference Information
Circuit/System Verification
DTC P0633
Diagnostic Instructions
DTC Descriptor
Circuit/System Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Procedures
DTC P162B
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
DTC P1631
Diagnostic Instructions
DTC Descriptor
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
DTC P1649
Diagnostic Instructions
DTC Descriptor
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
Repair Procedures
Symptoms - Immobilizer
Notes
Visual/Physical Inspection
Intermittent
Symptom List
OnStar Stolen Vehicle Slowdown Active
Diagnostic Instructions
Circuit/System Description
Reference Information
Circuit/System Verification
Repair Instructions
Theft Deterrent Module Replacement
Immobilizer System Component Programming
Adding Keys
Adding Keys (Without SPS)
Adding Keys (With SPS)
Replacing Keys
Replacing Keys (Without SPS)
Replacing Keys (With SPS)
Description and Operation
Immobilizer Description and Operation
Notes
Body Control Module (BCM)
Engine Control Module (ECM)
Immobilizer Antenna
Keyless Entry Transmitter
Environment Identifier
Security Indicator
Remote Vehicle Speed Limiting Description and Operation