Computer/Controls - 'Electronic Malfunction' Displayed
SI B61 02 12General Electrical Systems
January 2012
Technical Service
SUBJECT
Check Control Message "Electronic Malfunction" Is Displayed Along with Various Electrical Functions Inoperative
MODEL
E70 (X5)
E71 (X6)
E72 (ActiveHybrid X6)
E82, E88 (1 Series)
E90, E91, E92, E93 (3 Series)
F01, F02 (7 Series)
F04 (ActiveHybrid 7)
F07 (Gran Turismo)
F10 (5 Series)
F12, F13 (6 Series)
F25 (X3) All vehicles produced from September 1, 2009
SITUATION
Various check control messages are displayed, including "Electronic Malfunction" in the instrument cluster and CID (Central Information Display).
One or more of the following functional faults may also be present:
^ ISTA (Integrated Service Technical Application) diagnosis unable to communicate with the vehicle
^ Windshield wipers inoperative or in emergency operation (unable to turn off)
^ Tailgate cannot be opened
^ Central locking system not working
^ Rear power windows are inoperative
CAUSE
JBE (Junction Box Electronics) software error
PROCEDURE
Do not replace any parts.
1. Perform a vehicle test using the latest ISTA (Integrated Service Technical Application) diagnostic software.
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.
2. If ISTA is able to communicate with the vehicle, complete all relevant test plans related to the fault symptoms.
3. If ISTA will not communicate with the vehicle and the battery is accessible, perform a battery reset for approximately 30 minutes.
4. If ISTA will not communicate with the vehicle and the battery is not accessible in the trunk or cargo area, disconnect the JBE for
approximately 30 minutes.
Refer to ISTA Repair Instructions "Removing and installing or replacing junction box electronics".
5. After the battery reset (Step 3) or the JBE remove and reinstall procedure (Step 4), check the operation of all functions that were inoperable and repeat Steps 1 and 2 as necessary.
Note:
The final software solution will be available with the release of ISTA/P 2.47.0 (expected June 2012). This Service Information bulletin will be updated when the software is released.
WARRANTY INFORMATION