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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 161 (KEYLESS ENTRY SYSTEM AND REMOTE FUNCTIONS)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM MALFUNCTION (ACTIVE)CIRCUIT/SYSTEM TESTING
2013 Buick Regal Turbo Premium, Standard Trans

Circuit/System Testing

2013 Buick Regal Turbo Premium, Standard TransSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the transmitter is a correct transmitter for the vehicle. This can be accomplished by comparing the part number printed on the transmitter to the appropriate part number in the parts catalog.
    • If the transmitter is incorrect 

      Replace the transmitter.

    • If the transmitter is correct 
  2. Place the transmitter on the test pad of the EL 43241 and press each transmitter button one at a time, holding each button for three seconds.
  3. Verify the tester sounds a tone and illuminates the green light for the entire three second button press.
    • If one or more buttons does not sound the tone and illuminate the green light 
    1. Replace the transmitter battery.
    2. Place the transmitter on the test pad of the EL 43241 and press each transmitter button one at a time, holding each button for three seconds.
    3. Verify the tester sounds a tone and illuminates the green light for the entire three second button press.
      • If one or more buttons does not sound the tone and illuminate the green light, replace the transmitter
      • If all buttons sound the tone and illuminate the green light
    4. All OK.
    • If all buttons sound the tone and illuminate the green light 
  4. Operate the transmitter while observing the scan tool Key Fob Function parameter for the transmitter.
  5. 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 
    1. Replace the transmitter.
    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 
  6. 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.