Ford P0721 OBD-II Trouble Code Definition:
P0721 Output Speed Sensor Range/Performance
P0721 Ford OBD-II Trouble CodeDescription:
OBD Trouble Code P0721
Output Speed Sensor Circuit Range/Performance
What does the code mean? OBD-ii Code P0721 definition:
The speed 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.
The speed 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.
Symptoms Sumptoms of OBD code P0721
– Engine Light ON (or Service Engine Soon Warning Light) – Speedometer improper reading – Possible shifting problems
– Engine Light ON (or Service Engine Soon Warning Light) – Speedometer improper reading – Possible shifting problems
Causes Causes of the OBD-II code P0721
– Speed sensor harness or connectors – Sensor circuit is open or shorted – Speed sensor
– Speed sensor harness or connectors – Sensor circuit is open or shorted – Speed sensor
Solutions