9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
Body Control Module: Description and Operation
Control Module, BCM (707)
Location
Control module, BCM (707)
Main task
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The exterior and interior lighting
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Direction indicators and hazard warning lights
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Central locking system
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Anti-theft alarm Time and date
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Gateway between the two galvanically separated I-buses.
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Comfort opening/Comfort closing
The BCM also has the task of gathering information from
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Parking brake switch
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Level sensor for coolant/brake fluid