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Home >> GMC >> 2007 >> Canyon 4D Pickup, 2.9 9 >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3033 >> Circuit/System Testing

Circuit/System Testing

  1. Install the scan tool. Attempt to CRANK but do not start the vehicle and release the ignition switch to ON. Verify DTC B3033 is set as current.
    • Inspect the area around the ignition lock cylinder for any device which could create a magnetic field, audio speaker, magnet, etc. Remove device and check for DTC B3033 as current.
  2. If DTC B3033 is current a problem exists with the Passlock™ sensor and/or the wiring harness.
    • Inspect for poor connections at the Passlock™ sensor. Make the appropriate repair.
    • Replace the ignition and start switch. Refer to Repair Instructions.
  3. Perform the Programming Theft Deterrent System Components  procedure.
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