P040C Code – Exhaust Gas Recirculation Temperature Sensor 2 Circuit Low Voltage

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Code P040C Possible Causes
Exhaust Gas Recirculation Temperature Sensor 2 harness is open or shorted
Faulty Engine Control Module ECM
Faulty Exhaust Gas Recirculation EGR Temperature Sensor 2
Exhaust Gas Recirculation Temperature Sensor 2 circuit poor electrical connection

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