Operation CHARM
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Buick
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1998
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Park Avenue Ultra V6-3.8L SC VIN 1
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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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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Reading and Clearing Diagnostic Trouble Codes
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Accessing and Reading Diagnostic Trouble Codes
Accessing and Reading Diagnostic Trouble Codes
DTCs are read by using a scan tool.