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Ford Truck
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2010
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F 250 4WD Super Duty V8-6.4L DSL Turbo
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Diagnostic Trouble Code Descriptions
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P Codes
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P0684
P0684
P0684 - Glow Plug Control Module (GPCM) To Powertrain Control Module (PCM) Communication Circuit Range/Performance:
