Operation CHARM
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Chrysler Truck
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2010
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Town & Country V6-4.0L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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System Diagnosis
System Diagnosis
SYSTEM DIAGNOSIS
OPERATION
The PCM can test many of its own input and output circuits. If the PCM senses a fault in a major system, the PCM stores a Diagnostic Trouble Code (DTC) in memory.