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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 › Component Testing

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector:A23D Door Latch Assembly - Driver
  3. Test for infinite resistance between the test points:Signal terminal 2 & Ground terminal 3 - The switch is in the open position.
    • If less than infinite resistance 

      Replace the component:A23D Door Latch Assembly - Driver

    • Go to next step: If infinite resistance 
  4. Test for less than 3 ohms between the test points:Signal terminal 2 & Ground terminal 3 - The switch is in the closed position.
    • If 3 ohms or greater 

      Replace the component:A23D Door Latch Assembly - Driver

    • Go to next step: If less than 3 ohms 
  5. All OK.
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