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P0643 Diagnostic Trouble Code Discussion for October 2014

Sensor Power Supply Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0643
Help Request Posted
2011 Nissan 370Z Nismo 3.7L won't accelerate VIN: JN1AZ4EHXB
... towed in. Vehicle will run but will not accelerate forward or reverse. The code is p0643 related to reference voltage circuit. Backprobe all 5 volt reference sensor at the computer and all sensor have 5 volt with key on engine off. When the vehicle runs it...
October 30, 2014