LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2018 >> Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information And Procedures >> DTC B389A: Environment Identification >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTC B389A did not set immediately following the replacement and programming of the K9 Body Control Module.
    • If the DTC set immediately after the replacement and programming of the K9 Body Control Module 

      The immobilizer learn procedure was not properly completed. Perform the BCM immobilizer learn using the body control module IMMO Function with Existing Transponder or Remote Key in SPS. Refer to Immobilizer System Component Programming .

    • Go to next step: If the DTC did not set immediately after the replacement and programming of the K9 Body Control Module 
  2. Perform the K9 Body Control Module immobilizer learn using body control module IMMO Function with Existing Transponder or Remote Key in SPS. Refer to Immobilizer System Component Programming .
  3. Verify DTC B389A does not set after programming.
    • If the DTC sets after programming 

      Replace the K9 Body Control Module.

    • Go to next step: If the DTC does not set after programming 
  4. All OK.
scientia non olet · About LEMON Manuals