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Home >> Chevrolet >> 2018 >> Volt Premier >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC P04B8-P04BA >> Component Testing

Component Testing

  1. Vehicle OFF, disconnect the harness connector at the B208 Fuel Door Status Switch Assembly.
  2. Test for 180 Ω - 190 Ω between the signal terminal 1 and the ground terminal 2 with the switch in the open position.
    • If 191 Ω or greater 

      Replace the B208 Fuel Door Status Switch Assembly.

    • If 179 Ω or less 

      Replace the B208 Fuel Door Status Switch Assembly.

    • Go to next step: If 180 Ω - 190 Ω 
  3. Test for 2040 Ω - 2065 Ω between the signal terminal 1 and the ground terminal 2 with the switch in the closed position.
    • If 2066 Ω or greater 

      Replace the B208 Fuel Door Status Switch Assembly.

    • If 2039 Ω or less 

      Replace the B208 Fuel Door Status Switch Assembly.

    • Go to next step: If 2040 Ω - 2065 Ω 
  4. All OK
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