Antitheft System - Triggers a False Alarm

SI B 65 09 08
Audio, Navigation, Monitors, Alarms, SRS

March 2009
Technical Service

This Service Information bulletin supersedes SI B65 09 08 dated November 2008.

[NEW] designates changes to this revision

SUBJECT
Anti-theft Alarm System Triggers a False Alarm

MODEL
E70 (X5)

E71 (X6)

SITUATION
The anti-theft alarm system (DWA) triggers a false alarm. Fault code 9D47 (Alarm memory: siren disconnected) and/or 9D45 (Alarm: bus connected to positive or overvoltage) is stored in the SINE_65 (Siren with tilt sensor) control module. The situation occurs very intermittently.

CAUSE
Software error

CORRECTION
[NEW] This problem has been integrated into ISTA diagnostics. Follow diagnostics and the relevant test plan, using the latest ISTA version.

WARRANTY INFORMATION
Information only





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