Operation CHARM
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Ford Truck
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1999
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F 350 2WD Super Duty V10-6.8L VIN S
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Displaying and Reading Diagnostic Trouble Codes
Displaying and Reading Diagnostic Trouble Codes
Trouble codes are not produced by faults in the HVAC system. Refer to procedures in Diagnosis By Symptom.
Symptom Related Diagnostic Procedures