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HOMESERVICE MANUALSCHEVROLET2018TRAVERSE LS, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSKEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONSDIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM MALFUNCTION (ACTIVE)CIRCUIT/SYSTEM VERIFICATION
2018 Chevrolet Traverse LS, 4WD

Circuit/System Verification

2018 Chevrolet Traverse LS, 4WDSECTION Circuit/System Verification
  1. Verify that the vehicle key is correct for the vehicle. This can be accomplished by comparing the part number printed on the key to the appropriate part number in the parts catalog.
    • If the vehicle key is incorrect 

      Replace the vehicle key.

    • Go to next step: If the vehicle key is correct 
  2. Verify the K77 Remote Control Door Lock Receiver scan tool 5 V Ignition Switch parameter displays OFF.
    • Go to next step: If the 5 V Ignition Switch parameter displays OFF 
  3. Operate the transmitter while observing the scan tool Key Fob Function parameter for the appropriate transmitter.
  4. Verify the K77 Remote Control Door Lock Receiver scan tool Key Fob Function parameter corresponds with the function selected on the transmitter.
    • If the Key Fob Function parameter does not correspond with the transmitter selection 
      NOTE:

      Before replacing the transmitter, inspect the transmitter battery contacts for any corrosion or damage. If no corrosion or damage is found, replace the transmitter battery and retest before replacing the transmitter.

    1. Replace the vehicle key.
    2. Operate the new transmitter while observing the K77 Remote Control Door Lock Receiver scan tool Key Fob Function parameter for the transmitter.
    3. Verify the K77 Remote Control Door Lock Receiver scan tool Key Fob Function parameter correspond with the function selected on the transmitter.
      • If the Key Fob Function parameter does not correspond with the transmitter selection 

        Perform Circuit/System Testing.

      • Go to next step: If the Key Fob Function parameter corresponds with the transmitter selection 
    4. All OK.
    • Go to next step: If the Key Fob Function parameter corresponds with the transmitter selection 
  5. All OK.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.