LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2017 >> Traverse LS Base >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B3140, B3145, B3150, or B3155: Unlock Switch Circuit, Lock Switch Circuit >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  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.
scientia non olet · About LEMON Manuals