Electrical - Can't Unlock Vehicle With Remote/No Start
NUMBER: JTB00147(ISSUE 1)
MODEL:
XK
DATE: 02 FEB 2009
SECTION: 418
Unable to Unlock Vehicle / No Electrical Power - Repair Procedure
AFFECTED VEHICLE RANGE
CONDITION SUMMARY:
Situation:
An issue has been identified where after returning to the vehicle less than 10 minutes after locking, the customer is unable to unlock the vehicle with the remote handset and, after using the mechanical key to enter the vehicle, the engine will not crank. After 10 minutes the vehicle will recover and operate normally. This may be caused by a software issue with the Central Junction Box (CJB) and Auxiliary Junction Box (AJB).
NOTE:
If the vehicle is eligible for Service Action K013: XK Enhancement Program, the CJB and AJB will be updated to the latest software as part of that Repair Procedure and the SRO in this Technical Bulletin may not be claimed.
Action:
In the event of a customer concern of the above, refer to the Repair Procedure outlined below to reconfigure the Central Junction Box and Auxiliary Junction Box.
PARTS:
No parts required; information only
TOOLS
WARRANTY
REPAIR PROCEDURE
RECONFIGURE THE CENTRAL JUNCTION BOX AND AUXILIARY JUNCTION BOX
CAUTION:
A Midtronics PSC-550 Vehicle Power Supply must be connected to the vehicle battery during diagnosis / module programming.
1. Connect the Midtronics PSC-550 Vehicle Power Supply to the vehicle battery.
NOTE:
IDS must be loaded with software release DVD116 Patch File 3 or later.
2. Connect the IDS to the vehicle and begin a new diagnostic session by entering the correct VIN for the current vehicle.
3. Follow the IDS prompts to read the vehicle configuration.
4. Select 'No' when prompted 'Do you wish to read diagnostic trouble codes?'
5. Select 'tick' to continue.
6. Select the 'Vehicle Configuration' tab when Content Model is displayed.
7. From the Vehicle Configuration menu, configure the 'Central junction box' by selecting from the drop-down menu:
'Module programming' > 'Configure existing module' > 'Software enhancement program' > 'Central junction box (body control module)
8. Select 'tick' to continue, following all on-screen instructions to complete this task.
^ IDS will return to the Vehicle Configuration menu when completed.
9. From the Vehicle Configuration menu, configure the 'Auxiliary junction box' by selecting from the drop-down menu:
'Module programming' > 'Configure existing module' > 'Software enhancement program' > 'Auxiliary junction box (body control module B)
10. Select 'tick' to continue, following all on-screen instructions to complete this task.
^ IDS will return to the Vehicle Configuration menu when completed.
11. Exit the current session.
12. Disconnect IDS and the Midtronics PSC-550 Vehicle Power Supply from the vehicle.