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Home >> Cadillac >> 2019 >> XT5 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3938 >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Cadillac XT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On / Vehicle - In Service Mode
  2. Operate the component: S13D Door Lock Switch - Driver - Lock

    Verify the component works as specified: M97 Fuel Fill Door Lock Actuator = Locked

    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. Operate the component: S13D Door Lock Switch - Driver - Unlock

    Verify the component works as specified: M97 Fuel Fill Door Lock Actuator = Unlocked

    • If not the specified state 

      Refer to: Circuit/System Testing

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