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Home >> Chevrolet >> 2013 >> Spark LS, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> Keyless Entry System Malfunction >> Circuit/System Verification
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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.

    • If the vehicle key is correct 
  2. Operate the transmitter while observing the scan tool Key Fob Function parameter for the appropriate transmitter.
  3. Verify the 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 scan tool Key Fob Function parameter for the transmitter.
    3. Verify the 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, replace the K9 Body Control Module
      • If the Key Fob Function parameter corresponds with the transmitter selection
    4. All OK.
    • If the Key Fob Function parameter corresponds with the transmitter selection 
  4. All OK.
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