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Home >> Chevrolet >> 2025 >> Traverse Z71 >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B197D >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Perform the Programming and Setup procedure for the K36 Restraints Control Module.
  2. Verify the DTC does not set after programming.
    • If the DTC sets after programming 

      Replace the K36 Restraints Control Module.

    • Go to next step: If the DTC does not set after programming 
      • NOTE:

      To set the DTC the BCM must see an incorrect response or no response at all for at least 10 seconds of the vehicle switched to RUN or propulsion.

  3. All OK.
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