Keyless Entry - Can't Unlock Boot After Auto Locking
SI M61 01 12General Electrical Service
August 2012
Technical Service
This Service Information bulletin supersedes SI M61 01 12 dated January 2012.
[NEW] designates changes to this revision
SUBJECT
After Drive-away Locking Activates, It Is Not Possible to Unlock the Boot
MODEL
[NEW] R55
[NEW] R56
[NEW] R57
[NEW] R58
[NEW] R59
[NEW] R60
All vehicles produced up to June 30, 2012
SITUATION
After drive-away locking activates, it is not possible to unlock the boot. This only occurs under the following conditions:
^ Drive-away locking is activated twice during the same driving trip.
^ The driver or passenger exits the vehicle after the trip.
^ The boot lid is not unlocked with the rest of the vehicle.
CAUSE
CAS (Car Access System) software error
[NEW] CORRECTION
Update the vehicle software using ISTA/P (Integrated Service Technical Application, programming) 2.47.2 or higher.
[NEW] PROCEDURE
1. Perform a vehicle test using ISTA and troubleshoot any faults related to the CAS.
2. Program the vehicle using ISTA/P 2.47.2 or higher.
Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the latest software.
For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales / Workshop Technology / Vehicle Programming.
Note:
When the ISTA system message displays: Battery voltage only "XX.XX" V. Please connect charger. Please note the displayed battery voltage reading in the repair order comments section.
[NEW] WARRANTY INFORMATION