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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B2A00 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component:Driver Door - Open

    Verify the scan tool parameter:Body Control Module - Driver Door Ajar Switch=Active

    • Go to next step: If the specified state 
  3. Operate the component:Driver Door - Closed

    Verify the scan tool parameter:Body Control Module - Driver Door Ajar Switch=Inactive

    • Go to next step: If the specified state 
  4. Operate the component:Driver Door - Open

    Verify the scan tool parameter:Keyless Entry Control Module - Driver Door Ajar Switch=Active

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  5. Operate the component:Driver Door - Closed

    Verify the scan tool parameter:Keyless Entry Control Module - Driver Door Ajar Switch=Inactive

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  6. All OK.
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