Operation CHARM
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Ford
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1996
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Ranger 2WD V6-245 4.0L
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Repair and Diagnosis
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Accessories and Optional Equipment
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General Module
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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GEM On-Demand Self Test
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Retrieving Diagnostic Trouble Codes (DTC)
Retrieving Diagnostic Trouble Codes (DTC)
The
GEM
monitors the system during normal operation and reports concerns in the form of diagnostic trouble codes (DTCs). The DTCs can be retrieved with the NGS Tester through the communication link.