Restraints - Airbag Warning Lamp ON/No Fault Codes

SI B 65 68 06
Audio, Navigation, Monitors, Alarms, SRS

January 2008
Technical Service

This Service Information bulletin supersedes SI B65 68 06 dated November 2006.

[NEW] designates changes to this revision

SUBJECT:
Airbag Warning Lamp Illuminates - No Fault Codes

MODEL:
E90, E91 (3 Series) produced up to May 31, 2006

SITUATION

The red Airbag Warning Lamp (AWL) in the instrument cluster remains illuminated after turning on KL-15 and completing the self-check, but goes out again if the key is cycled off/on. [NEW] Fault code A3B3 is stored in the Instrument Cluster and no fault codes are stored in the MRS5 (Multiple Restraint System) control module. The fault symptom occurs on a very intermittent basis.

CAUSE

Error in the MRS5 control module.

CORRECTION

This problem has been integrated into the BMW diagnosis system. Follow diagnostics and the relevant test plan(s), using the latest diagnosis version. The test plan is initiated by the Instrument Cluster fault code A3B3.

WARRANTY INFORMATION

Information only





Disclaimer