Body - Rear Window Inoperative
No: 76/04/05/NASFGN LM501
Ref:
*Issue: 2*
Date:15 May 2OO6
Rear Window Inoperative
AFFECTED VEHICLE RANGE:
Range Rover (LM)
4A162652 - 5A183750
SITUATION:
REAR WINDOW REGULATOR INOPERATIVE
A customer may report that a rear window is inoperative. *The Body Control Unit (BCU) configuration file should include a timer that starts on the activation of the window regulator motor. If the regulator motor is held active over eight seconds the timer will be exceeded and the motor will become disabled for protection. The timer is missing from some configuration files within the affected VIN range, allowing a window regulator motor to become disabled under certain operating conditions.*
RESOLUTION:
REPLACE DISABLED REGULATOR AND PROGRAM BCU
Should a customer express concern regarding the above, refer to the Service Procedure detailed in this bulletin to replace the disabled rear door window regulator and re-configure the BCU.
PARTS INFORMATION:
CVH000041....Rear window regulator RH Qty 1 (as required)
CVH000051....Rear window regulator LH Qty 1 (as required)
DDW WARRANTY CLAIMS:
NOTE:
The BCU must be re-configured following window regulator installation. Warranty claims subsequent to repairs related to this bulletin will be rejected if the claim is a direct result of not configuring the BCU accordingly.
DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
Normal warranty policy and procedures apply. Material allowance is included in labor operation.
REPAIR PROCEDURE
REPLACE DISABLED REGULATOR AND PROGRAM BCU
NOTE:
GTR lookup sequence is as follows:
GTR Home > NAS > Service Information/ LM - New Range Rover/2005 > Workshop Manuals - Service Procedures > Bookmark "76-1 - DOORS" Link "76.31.46 Glass regulator - rear door"
1. Refer to GTR section 76.31.46 and replace the disabled rear door window regulator, as required. (Figure 1)
* NOTE:
Ensure a Midtronics PSC-550 Vehicle Power Supply is connected to the vehicle during diagnosis and tune download session.*
2. Using diagnostic equipment and the disc "Range Rover 16" or later, re-configure the BCU as follows:
^ Connect diagnostic equipment to the vehicle.
^ Select DIAGNOSTICS.
^ Using the screen icons, scroll as directed and select "SYSTEM DIAGNOSTICS."
Select "WINDOWS and SUNROOF" diagnostic.
^ Scroll through the screen icons and select "FAULT CODE DIAGNOSTICS."
^ Clear fault codes following the on screen procedures.
^ Return to "WINDOWS and SUNROOF" diagnostic.
^ Select "VEHICLE MAINTENANCE" and configure BCU following the on screen procedures.
3. End session and disconnect diagnostic equipment.
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