Operation CHARM
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Saturn
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2002
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LW300 V6-3.0L VIN R
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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 Module Functions
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Fuel Level
Fuel Level
The
BCM
receives fuel level data from the ECM for L81 over CAN and from the PCM for L61 over Class II. The BCM calculates the data and sends the result to the cluster to control the fuel gauge deflection.