Antitheft System - Motion Sensor Triggers False Alarms

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

February 2010
Technical Service

This Service Information bulletin supersedes SI B65 08 09 dated November 2009.

[NEW] designates changes to this revision

SUBJECT
Ultrasonic Passenger Compartment Motion Detector Triggers False Alarm

MODEL
E70 (X5)
E71 (X6)
Vehicles produced up to March 30, 2009

SITUATION

The ultrasonic passenger compartment motion detector (USIS), which is fully integrated into the Roof Control Panel (FZD), triggers a false alarm. No faults are stored.

CAUSE

Ultrasonic passenger compartment motion detector

CORRECTION

[NEW] This problem has been integrated into ISTA diagnostics. Using the latest ISTA version, select the "Text search" tab and input the search term "DWA". Select "Search for document title", and click on "Start search" to display the alarm system test plans. Select and follow the test plan for false alarms.

WARRANTY INFORMATION

For information only