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DTC - Diagnostic Trouble Codes information

P0643

Powertrain Codes

P0643 - NISSAN - Sensor Power Supply Circuit Short

Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

- Harness or connectors (APP sensor 1 circuit is shorted.)(PSP sensor circuit is shorted.)(EVAP control system pressure sensor is shorted.) Refrigerant pressure sensor circuit is shorted.) - Accelerator pedal position sensor (APP sensor 1) - Power steering pressure sensor - EVAP control system pressure sensor - Refrigerant pressure sensor

Description

ECM detects a voltage of power source for sensor is excessively low or high.