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P0642 Diagnostic Trouble Code Discussion for March 2019

Sensor Reference Voltage 1 Circuit Low

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Trouble Ticket Help Requests for DTC P0642
Help Request Posted
2008 Dodge Ram 1500 SXT 5.7L No Start, Stall, MIL Lamp on VIN: 1D7HA18238
P0642: Sensor reference voltage low. Hi, everyone I would surely appreciate any insight on this issue. It is a 2008 Dodge 1500 SXT 5.7 VIN 2. The truck came in with a no start, we had no communication with the PCM after checking powers and grounds we disconnected all sensors with a 5 Volt ref...
March 01, 2019