Power Door Lock System And Vehicle Access

• Specifications
  • Fastener Specifications
  • Adhesives, Fluids, Lubricants, and Sealers
• Schematic Wiring Diagrams
  • Door Lock/Indicator Wiring Schematics
    • Interior Switches
    • Door Handle Switches
    • Ajar Switches and Lock Indicators
    • Actuators
  • Release Systems Wiring Schematics
    • Release Systems Schematics
  • Hood Latch Wiring Schematics
    • Engine Hood Switch (GMC)
    • Engine Hood Switch (Holden)
  • Liftgate Wiring Schematics
    • Power, Ground, Serial Data and Front Controls
    • Liftgate Actuation and Rear Controls (GMC)
    • Liftgate Actuation and Rear Controls (Holden)
    • Hands Free Liftgate Sensing (TC2)
• Diagnostic Information and Procedures
  • DTC B1019 - Liftgate Control Module
    • 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 Testing
    • Repair Instructions
  • DTC B1474 or B3849
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B1534 or B1535
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B153A - Liftgate Latch Switches Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B153E - Liftgate Angle Sensor Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B153F - Liftgate Object Sensor Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B2494 - Liftgate Handle Switch Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B2495 or B24A0
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • DTC B297B or B297C (With N06)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B297B or B297C (Without N06)
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B2A00
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Repair Instructions
  • DTC B3006
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B3125, B3130, or B3135
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B3140, B3145, B3150, or B3155
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B323A-B323C
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • DTC B324A or B3245
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B384A
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B3938
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • DTC B396A - Liftgate Motor Power Open/Close Malfunction
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • DTC B396C or B396D - Liftgate Interior Release Open/Close Switch Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC B396E - Liftgate Close Switch Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • DTC P257D-P257F
    • Diagnostic Instructions
    • DTC Descriptors
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Symptoms - Vehicle Access
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Exterior Door Handle Switch Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Fuel Filler Door Release Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Hood Ajar Indicator/Message Malfunction
    • Diagnostic Instructions
    • DTC Descriptor
    • Diagnostic Fault Information
    • Circuit/System Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Actions Taken When the DTC Sets
    • Conditions for Clearing the DTC
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Liftgate System Diagnosis
    • Diagnostic Instructions
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
  • Liftgate Handsfree Sensor Malfunction
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • Liftgate Latch Release/Cinch Malfunction
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • Liftgate Release Malfunction (With TC2)
    • Diagnostic Instructions
    • DTC Descriptors
    • 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
    • Circuit/System Testing
    • Repair Instructions
  • Liftgate Release Malfunction (Without TC2)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Liftgate Ajar Indicator Malfunction (With TC2)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Liftgate Ajar Indicator Malfunction (Without TC2)
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Door Ajar Indicator Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Power Door Lock Key Cylinder Switches Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Power Door Locks Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Power Liftgate Malfunction
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Circuit/System Description
    • Diagnostic Aids
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
• Repair Instructions
  • Fuel Tank Filler Door Lock Actuator Replacement
  • Front Side Door Inside Handle Cable Replacement
  • Rear Side Door Inside Handle Cable Replacement
  • Front Side Door Lock Cylinder Replacement
    • Removal Procedure
    • Installation Procedure
  • Liftgate Calibration
    • Liftgate Relearn
    • Garage Height Calibration
  • Opening the Liftgate Without Electrical Power
  • Front Side Door Outside Handle Replacement
  • Front Side Door Outside Handle Bracket Replacement
    • Removal Procedure
    • Installation Procedure
  • Front Side Door Outside Handle Cable Replacement
  • Rear Side Door Outside Handle Bracket Replacement
    • Removal Procedure
    • Installation Procedure
  • Liftgate Latch Replacement
  • Rear Side Door Outside Handle Replacement
  • Rear Side Door Outside Handle Cable Replacement
  • Front Side Door Latch Replacement
    • Removal Procedure
    • Installation Procedure
  • Rear Side Door Latch Replacement
    • Removal Procedure
    • Installation Procedure
  • Front Side Door Lock Cylinder Opening Cover Replacement
    • Removal Procedure
    • Installation Procedure
  • Rear Side Door Lock Cylinder Opening Cover Replacement
    • Removal Procedure
    • Installation Procedure
  • Rear Gate Module Replacement
  • Rear Closure Hands Free Module Replacement
  • Rear Closure Hands Free Sensor Replacement
  • Front Side Door Locking Rod Replacement
  • Front Side Door Locking Rod Knob Replacement
  • Front Side Door Lock Cylinder Rod Replacement
  • Liftgate Power Assist Actuator Replacement
  • Rear Side Door Locking Rod Knob Replacement
  • Rear Side Door Locking Rod Replacement
  • Rear Side Door Locking Rod Clip Replacement
  • Rear Side Door Locking Rod Bellcrank Rod Replacement
  • Liftgate Side Sensor Replacement
  • Door Lock Switch Replacement - Driver Side
  • Front Side Door Lock Striker Adjustment
  • Front Side Door Lock Striker Replacement
  • Liftgate Latch Striker Replacement
  • Rear Side Door Lock Striker Adjustment
  • Rear Side Door Lock Striker Replacement
  • Liftgate Release Switch Replacement - Interior
  • Liftgate Release Switch Replacement - Exterior
  • Liftgate Close Switch Replacement
  • Door Lock Switch Replacement - Passenger Front
  • Rear Closure Fixed Handle Applique Replacement
• Description and Operation
  • Door Ajar Indicator Description and Operation
    • Door Ajar Indicator System Components
    • Door Ajar System (Standard and Optional)
    • Driver and Passenger Door Ajar (With Express Up and Express Down Power Windows)
    • Passenger and Rear Door Ajar (With Express Down Power Windows)
  • Fuel Fill Door Description and Operation
    • Fuel Door Unlatch System Components
  • Hood Ajar Indicator Description and Operation
    • Hood Ajar Indicator System Components
    • Hood Ajar Operation - Body Control Module
    • Hood Ajar Operation - Engine Control Module (with KL9)
  • Liftgate Ajar Indicator Description and Operation
    • LIFTGATE OPEN Indicator
  • Liftgate Description and Operation
    • System Description
    • Operation
    • Power Latch
    • Liftgate Hands Free Sensor
    • Object Detection
    • Manual Liftgate Operation
  • Power Door Locks Description and Operation
    • Door Lock System Components
    • Door Lock System Block Diagram
    • Door Lock and Unlock Operation
    • Key Cylinder Switch
    • Passive Door Lock/Unlock Operation
  • Rear Hatch/Gate Description and Operation
    • Liftgate Release System Components
    • Liftgate Release System Block Diagram
    • Liftgate Release Operation