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Home › Chevrolet › 2017 › City Express LS › Repair and Diagnosis › Body & Frame › Ignition Switch/Steering Lock › Immobilizer System › Diagnostic Information And Procedures › DTC B2192 Or P1611: Immobilizer System - Incorrect Engine Control Module (ECM) Identification › Circuit/System Verification

Circuit/System Verification

  1. Register all vehicle keys.
  2. Start the vehicle.
    • If the vehicle starts 
    1. The keys were not registered.
    2. All OK.
    • If DTC B2192 or P1611 is set, replace the K9 Body Control Module. 
    • Go to next step: If DTC B2192 or P1611 is not set. 
  3. Register all vehicle keys.
  4. Start the vehicle.
    • If the vehicle starts 
    1. All OK.
    • If DTC B2192 or P1611 is set, replace the K20 Engine Control Module. 
    • Go to next step: If DTC B2192 or P1611 is not set. 
  5. All OK
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