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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B3140, B3145, B3150, or B3155: Lock/Unlock Switch >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Driver Door Lock Sw. parameter changes from Inactive to Active when pushing the appropriate switch on the S13D Door Lock Switch-Driver.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Driver Door Lock Switch Malfunction.

    • If the parameter changes 
  3. Verify the scan tool Driver Door Unlock Sw. parameter changes from Inactive to Active when pushing the appropriate switch on the S13D Door Lock Switch-Driver.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Driver Door Lock Switch Malfunction.

    • If the parameter changes 
  4. Verify the scan tool Psgr. Door Lock Sw. parameter changes from Inactive to Active when pushing the appropriate switch on the S13P Door Lock Switch-Passenger.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Passenger Door Lock Switch Malfunction.

    • If the parameter changes 
  5. Verify the scan tool Psgr. Door Unlock Sw. parameter changes from Inactive to Active when pushing the appropriate switch on the S13P Door Lock Switch-Passenger.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Passenger Door Lock Switch Malfunction.

    • If the parameter changes 
  6. All OK.
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