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P1618 Diagnostic Trouble Code Discussion for May 2014

Sensor Reference Voltage 1 Circuit Erratic

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Trouble Ticket Help Requests for DTC P1618
Help Request Posted
2003 Dodge Ram 1500 Laramie 5.7L No Crank, No Comm. VIN: 1D7HA18D13
P1618: Sensor Reference Volts Erratic. Vehicle came in with intermittent No Crank complaint. Found that No Crank is accompanied by No Communication with PCM problem. All modules communicate when starting, and only PCM stops communicating when No Crank occurs- all others still talk. Have tested all ...
May 28, 2014