Air Bag System - Warning Lamp ON/FC 93EB or FC55

SI B 72 09 06
Safety Restraint Systems

August 2006
Technical Service

This Service Information bulletin supersedes S.I. B72 09 06 dated April 2006.

[NEW] designates changes to this revision

SUBJECT
[NEW] Airbag Warning Lamp, FC 93EB or FC 55

MODEL
[NEW] E90, E91 (3 Series) and E83 (X3) Vehicles produced March 31, 2006

SITUATION

[NEW] The red airbag warning lamp (AWL) in the instrument cluster is illuminated and a fault code for "Emergency call function..." is stored in the MRS5 (Multiple Restraint System) control module. The fault code is FC 93EB for E90/E91 or FC 55 for X3. The fault occurs regardless of whether the vehicle has a TCU (Telematics Control Unit), or not.

There is no test module available in the diagnosis test plan.

CAUSE

Internal varistor fault within the MRS control module.

[NEW] CORRECTION

Replace the MRS5 control module - refer to repair instruction RA 65 77 016 (Removing and installing/replacing airbag control unit)

E90 - Program vehicle as described in SI B09 05 01 (Coding, Programming and Individualization), Procedure A.

E83 - Code the MRS control module as described in SI B09 05 01 (Coding, Programming and Individualization), Procedure E.

The TCU must not be replaced.





PARTS INFORMATION





WARRANTY INFORMATION

Covered under the terms of the BMW New Vehicle Limited Warranty.





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