Possible causes
– Faulty Revolution Sensor
– Revolution Sensor harness is open or shorted
– Revolution Sensor circuit poor electrical connection
– Revolution Sensor harness is open or shorted
– Revolution Sensor circuit poor electrical connection
Tech description
The vehicle speed sensor is called Revolution Sensor on Nissan Altima vehicles. Usually replacing the sensor take care of the P0720 code.
When is the obd code mean?
Diagnostic trouble code is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Speedometer improper reading
– Possible shifting problems
– Speedometer improper reading
– Possible shifting problems
P0720 2003 NISSAN ALTIMA OBD Code Description
The speed sensor (revolution sensor) detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the Transmission Control Module (TCM) which converts it into vehicle speed.
2003 Nissan Altima Revolution Sensor Location
