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Oldsmobile
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1999
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Alero V6-3.4L VIN E
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Description and Operation
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Body Control System Circuit
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Door Lock/Unlock Switch Function
Door Lock/Unlock Switch Function
The
Body Control Module
(
BCM
)
commands the driver's door unlock relay to unlock the driver's door according to the state of the driver's door lock/unlock switch or the passenger door lock/unlock switch.