Operation CHARM
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GMC Truck
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2012
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Yukon XL 4WD V8-5.3L
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Fuel Pump
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Fuel Pump Control Unit
Fuel Pump Control Unit
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Locations
Diagrams
Fuel Pump Flow Control Module (without JL1)
Fuel Pump/Trailer Brake Control Module (10 Series with JL1)
