Operation CHARM
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Buick
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1998
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Riviera V6-3.8L SC VIN 1
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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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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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MALL Module Internal Diagnostic Procedures
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Exiting the Diagnostic Mode
Exiting the Diagnostic Mode
To exit the Diagnostic Mode, turn the ignition switch to OFF or accelerate the vehicle above
13 km/h (8 mph).