Ford OBD Codes


P0720 Ford

Author: fordobdcodes/Categories: Ford OBD-II Codes/Time: 2013-11-10 09:32

Ford P0720 OBD-II Trouble Code Definition:

P0720 Output Speed Sensor Circuit Malfunction

P0720 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0720
Output Speed Sensor Circuit
What does the code mean? OBD-ii 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 Sumptoms of OBD code P0720
- Engine Light ON (or Service Engine Soon Warning Light) – Speedometer improper reading – Possible shifting problems
Causes Causes of the OBD-II code 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.


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