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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1225 (STEERING WHEEL AND STEERING COLUMN)REPAIR INSTRUCTIONSELECTRONIC COLUMN LOCK MODULE - DISASSEMBLE - OFF VEHICLE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Electronic Column Lock Module - Disassemble - Off Vehicle

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Electronic Column Lock Module - Disassemble - Off Vehicle
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to SIR CAUTION .
  1. Disable the inflatable restraint steering wheel module. Refer to DISABLING SYSTEM .
  2. Remove the steering column tilt head housing.

    Refer to Steering Column Tilt Head Housing - Disassemble - Off Vehicle .

  3. Remove the steering column lock cylinder set.

    Refer to Ignition Lock Cylinder Replacement - On Vehicle .

  4. Slide the PASSKEY® III (2) off of the electronic lock module assembly (1).
    Fig 1: Removing PASSKEY® III
    G01673208Courtesy of GENERAL MOTORS CORP.
  5. Remove the connector (2) from the electric park lock (3).
  6. Remove the TORX® head screw (1) from the electric park lock (3).
    Fig 2: Removing Electric Park Lock Connector
    G01673209Courtesy of GENERAL MOTORS CORP.
  7. Remove the electric park lock (2) from the electronic lock module assembly (1).
    Fig 3: Removing Electric Park Lock
    G01673210Courtesy of GENERAL MOTORS CORP.
  8. Remove the key alarm connector (1) from the electronic lock module assembly (2).
    1. 8.1. Rotate the key alarm connector (1) 90 degrees.
    2. 8.2. Pull the key alarm connector (1) out of the electronic lock module assembly (2).
      Fig 4: Removing Key Alarm Connector
      G01673211Courtesy of GENERAL MOTORS CORP.
  9. Remove the 2 tapping screws (2) from the ignition and key alarm switch assembly (1).
  10. Let the ignition and key alarm switch assembly (1) hang freely.
    Fig 5: Removing Ignition & Key Alarm Switch Assembly
    G01673212Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.