P0722
Powertrain Codes
P0722 - NISSAN - Vehicle Speed Sensor Circuit Fault
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light) - Speedometer improper reading - Possible shifting problems
Possible Causes
- Harness or connectors - Sensor circuit is open or shorted - Revolution sensor - Damaged ECM - Damaged Transmission Control Module (TCM)
When Detected
The output shaft speed sensor failed to provide a signal to the TCM upon initial movement of vehicle.
Tech Notes
On most Nissan vehicles, the vehicle speed sensor is called Revolution Sensor
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.