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2012
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Avalanche 5.3L Eng VIN 7
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Repair and Diagnosis
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Body & Frame
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Ignition Switch/Steering Lock
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Immobilizer System
Immobilizer System
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Schematic Wiring Diagrams
Immobilizer Wiring Schematics
Immobilizer Wiring Schematics
Diagnostic Information and Procedures
Diagnostic Code Index
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 Instructions
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
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Instructions
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
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Instructions
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
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Instructions
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 Instructions
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
Repair Instructions
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
DTC P1629
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
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 Instructions
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
Repair Instructions
DTC P1632
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 Instructions
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
10-Minute Immobilizer Relearn
Adding Keys
Replacing Keys (North America except Canada)
10-Minute Vehicle Key Relearn
30-Minute Vehicle Key Relearn - Without RPO 5L5
6-Minute Vehicle Key Relearn - With RPO 5L5
Replacing Keys (Canada)
10-Minute Vehicle Key Relearn
Description and Operation
Immobilizer Description and Operation
Notes
Theft Deterrent Module (TDM)
Engine Control Module (ECM)
The Ignition Key (Transponder)
Security Indicator
Remote Vehicle Speed Limiting Description and Operation