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Suburban K2500
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Immobilizer System
Immobilizer System
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Schematic and Routing Diagrams
Immobilizer Schematics
Component Locator
Immobilizer Component Views
Visual Identification
Immobilizer Connectors
Hood Ajar Switch (AP3/AP8)
Theft Deterrent Control Module
Diagnostic Information and Procedures
Diagnostic Code Index
Scan Tool Data List
Scan Tool Data Definitions
Diagnostic Starting Point - Immobilizer
DTC B3006
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
Repair Procedures
DTC B302A
DTC Descriptor
Diagnostic Fault Information
Circuit/System Description
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
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
Repair Procedures
DTC B3055
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
Repair Procedures
DTC B3060
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
Repair Procedures
DTC B3935
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
Repair Procedures
DTC P0513
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
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Procedures
DTC P0633
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
Diagnostic Aids
Reference Information
Circuit/System Verification
Repair Procedures
DTC P1629
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
Diagnostic Aids
Reference Information
DTC P1631
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
Repair Procedures
DTC P1632
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
Repair Procedures
Repair Instructions
Adding Keys
Replacing Keys
Description and Operation
Immobilizer Description and Operation
Notes
Theft Deterrent Module (TDM)
Engine Control Module (ECM)
The Ignition Key (Transponder)
Notes
Master Keys
Notes
Valet Keys
Fleet Keys
Security Indicator