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Home >> Jeep >> 2011 >> Liberty Renegade, Part Time >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics >> DTC Troubleshooting >> B18B5-Master Switch - Front Left Window Switch Stuck >> Diagnostic Test
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Diagnostic Test

  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, record and erase the DTCs
    3. Operate the Front Left Window up and down several times.
    4. Wait 30 seconds.
    5. With the scan tool, read the DTCs.

      Does the scan tool display B18B5-MASTER SWITCH-FRONT LEFT WINDOW SWITCH STUCK?

      Yes 

      • Go To  2.

      No 

      • The conditions that caused this code to set are not present at this time. Operate the switch several more times. If the switch ever sticks, replace it.
      • Perform the BODY VERIFICATION TEST. Refer to Standard Procedure .
  2. MASTER POWER WINDOW/DOOR LOCK SWITCH 
    NOTE:

    Anytime this code is active, the switch must be replaced.

    Repair 

    • Replace the Express Window/Door Lock Switch in accordance with the Service Information.
    • Perform the BODY VERIFICATION TEST. Refer to Standard Procedure .