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Home >> Chevrolet >> 2021 >> Bolt EV Premier >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC P1649 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system: K9 Body Control Module
    • Go to next step: If no other DTCs are set 
  3. Perform the SPS function: K20 Engine Control Module Refer to: Immobilizer System Component Programming 
  4. Engine - Crank
  5. Verify the function: Engine = Running
    • If the engine does not start 

      Replace the component: K20 Engine Control Module

    • Go to next step: If the engine starts 
  6. All OK.
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