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P0643 Diagnostic Trouble Code Discussion for October 2010

Sensor Power Supply Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0643
Help Request Posted
2006 Nissan Quest S 3.5L MIL Lamp on VIN: 5N1BV28U66
P0643: Sensor Power Supply Circuit Malfunction. hello everyone i have 2006 nissan quest 3.5L came in with no aceleration and check engine light on i changed pedal sensor check all grounds and power to ecm all check good codes will not erase i check 5v ref. at acel pedal it has to sesor in one i should have ...
October 04, 2010