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P0642 Diagnostic Trouble Code Discussion for May 2011

Sensor Reference Voltage 1 Circuit Low

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Trouble Ticket Help Requests for DTC P0642
Help Request Posted
2007 Dodge Ram 1500 SLT 5.7L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 3D7KR19D57
P0642: Sensor reference voltage 1 circuit low. Truck came in with codes listed. Would only act up about once a week. Once problem occured key could be cycled returning the vehicle to normal operation. Whenever problem occured all throttle body activity was dead.
May 23, 2011