Antitheft System - Unexpected Alarm Triggering

SI M 65 08 08
Audio, Navigation, Monitors, Alarms, SRS

December 2009
Technical Service

This Service Information bulletin supersedes SI M65 08 08 dated March 2009.

[NEW] designates changes to this revision

SUBJECT
Anti-theft Alarm Is Triggered Unexpectedly

MODEL
R55 (Cooper Clubman, Cooper S Clubman)
R56 (Cooper, Cooper S)

Vehicles produced up to September 29, 2009 and with option 302 (DWA)

SITUATION

The DWA (anti-theft alarm) is triggered unexpectedly. The alarm can be triggered by gusts of wind, heavy rain, vibration caused by passing vehicles, etc. The following faults are stored in the FZD (Roof Function Center) control module: A872 (Interior protection defective) and 9315 (Interior alarm_sensor).

CAUSE

1. The plastic mounting ring for the FZD has worked loose, allowing the FZD to vibrate. The vibrations can cause the anti-theft alarm to be triggered via the interior sensor. A loose mounting ring can be confirmed by pressing the FZD upwards and checking for free movement.

2. The short drop/lift function of the windows is inoperative, causing the windows to not close fully and thus cause pressure variations in the vehicle that can trigger the alarm. For this cause, refer to SI M51 01 08.

[NEW] PROCEDURE

The problem has been integrated into ISTA diagnostics. Select the tab "Text search" and search using the search term: "W6575_WAS3". Highlight "Document title", and then press the "Search" button.

[NEW] WARRANTY INFORMATION
For information only