OBD Code P0720

Output Speed Sensor Circuit

What’s mean?

OBD2 Code P0720 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 TCM which converts it into vehicle speed.

Symptoms

Possible sumptoms of P0720
– Engine Light ON (or Service Engine Soon Warning Light) – Speedometer improper reading – Possible shifting problems

Possible Causes

Possible causes of P0720
– Speed sensor harness or connectors – Sensor circuit is open or shorted – Speed sensor The Error code is generally activated on detection of the following conditions: Diagnostic trouble code is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor.

Possible Solutions