buick Workshop Repair Guides

Buick Workshop Manuals

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Engine Control Module: Diagnostic Trouble Code Descriptions

For information regarding B, C, P, U and Manufacturer Code Descriptions -

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Testing and Inspection > Diagnostic Trouble Code Descriptions

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