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Home >> Chevrolet >> 2021 >> Express 2500 Base, Van Cargo Extended, 2.8L Eng VIN 1 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Vehicle Access System >> Diagnostic Information and Procedures >> DTC B3265 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the M13 Door Latch Assembly-Rear Cargo performs the LOCK and UNLOCK functions when using the S13A Door Lock Switch-Rear Cargo
    • Go to next step: If the LOCK and UNLOCK function works 
  3. Ignition OFF
  4. Verify the M13 Door Latch Assembly-Rear Cargo performs the UNLOCK function when pressing the appropriate switch on the keyless entry transmitter.
    • If the M13 Door Latch Assembly-Rear Cargo UNLOCK function does not work 

      Refer to Circuit/System Testing

    • Go to next step: If the UNLOCK function works 
  5. All OK.
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