Operation CHARM
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2011
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A8L Quattro Sedan (4H8) V8-4.2L (CDRA)
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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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Engine Control Module
Engine Control Module
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Description and Operation
Testing and Inspection
Locations
Engine Control Module (ECM) 2 -J624-
Engine Control Module (ECM) -J623-
Service and Repair
Technical Service Bulletins
