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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> DTC B3109-B3113: Keyless Entry Transmitter Battery >> Circuit/System Verification

Circuit/System Verification

  1. Verify none of the DTCs listed below are set:
    • DTC B3109
    • DTC B3110
    • DTC B3111
    • DTC B3112
    • DTC B3113
    • If any of the DTCs are set 
    1. Replace the battery in the appropriate keyless entry transmitter and operate the transmitter three consecutive times.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the keyless entry transmitter.
      • If the DTC does not set
    3. All OK.
    • If none of the DTCs are set 
  2. All OK.
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