Alarm System - False DWA Alarms/Codes Set
SI B 65 19 06October 2006
Sound System, Cruise, Alarms, Monitors
Technical Service
This Service Information bulletin supersedes S.M. B65 219 04 dated July 2004.
SUBJECT
DWA Siren Triggered Incorrectly
MODEL
E46 with Anti-theft Alarm System (option 302)
SITUATION
Repeated incorrect triggering of the anti-theft alarm system (DWA)
The following fault codes may be set:
20h "Watchdog reset"
21h "Processor ROM"
47h "Processor Interrupt"
CAUSE
Software problems in General Module 5 software versions 3.0 and 3.1
The following General Modules are affected:
61 35 6 923 959
61 35 6 932 369
61 35 6 923 960
61 35 6 923 370
61 35 6 924 250
61 35 6 932 371
61 35 6 932 368
61 35 6 932 384
PROCEDURE
In the event of a customer complaint, perform diagnostics with DIS or GT1 and download the fault memory and alarm memory (in the General Module).
If one of the following faults is stored in the fault memory in General Module 5
- 20h "Watchdog reset"
- 21h "Processor ROM"
- 47h "Processor Interrupt"
Replace the General Module with P/N 61 35 6 963 338, or later version.
PARTS INFORMATION
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