Theft Deterrent System

• Schematic and Routing Diagrams
  • Theft Deterrent System Schematics
    • Century
    • Regal
• Diagnostic Information and Procedures
  • Diagnostic Starting Point - Theft Deterrent
  • Diagnostic System Check - Theft Deterrent
    • Test Description
  • Scan Tool Data List
  • Scan Tool Data Definitions
  • Diagnostic Trouble Code (DTC) List
  • DTC B2957: BCMs PASS-Key® Signal Circuit resistance
    • Circuit Description
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Test Description
  • DTC B2958: BCMs PASS-Key® Signal Circuit Resistance
    • Circuit Description
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Test Description
  • DTC B2960: BCMs PASS-Key® Signal Circuit Resistance
    • Circuit Description
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Test Description
  • DTC B3031: No Valid Key Pellet Resistance In Memory
    • Circuit Description
    • Conditions for Setting the DTC
    • Conditions for Clearing the DTC
    • Diagnostic Aids
  • DTC B3094: No Vehicle Security Powertrain Status Message From PCM
    • Circuit Description
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
  • DTC P1626: Loss Of State Of Health Serial Data Message
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
  • DTC P1629: Loss Of State Of Health Serial Data Message
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
  • DTC P1630: PCM Remains In Theft Deterrent Password Learn Mode Too Long
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC/MIL
    • Diagnostic Aids
  • DTC P1631: Incorrect Password From VTD System
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
  • Symptoms - Theft Deterrent
    • Important Preliminary Checks Before Starting
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Security Indicator Inoperative
• Repair Instructions
  • Theft Deterrent Control Module Replacement
    • Removal Procedure
    • Installation Procedure
  • Replacing Keys
  • Adding Keys
  • Programming Theft Deterrent System Components
    • Notes
    • Conditions
    • 10 Minute Learn Procedure
    • 30 Minute Learn Procedure
• Description and Operation
  • Theft Systems Description and Operation
    • Notes
    • SECURITY Indicator
    • Theft Lock Radio (if applicable)
    • VTD Description and Operation
  • Vehicle Theft Deterrent (VTD) Description and Operation
    • Notes
    • Ignition Key
    • Ignition Cylinder
    • Body Control Module
    • Crank Relay
    • Powertrain Control Module
    • SECURITY indicator
• Special Tools and Equipment