Symptoms

- Engine Light ON (or Service Engine Soon Warning Light) - Speedometer improper reading - Possible shifting problems

Possible Causes

- Speed sensor harness or connectors - Sensor circuit is open or shorted - Speed sensor

When Detected

Diagnostic trouble code is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor.

Description

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.

Information For Specific Makes

P0720 2000 INFINITI I30 P0720 2000 NISSAN MAXIMA P0720 2001 INFINITI I30 P0720 2001 NISSAN MAXIMA P0720 2002 NISSAN ALTIMA P0720 2002 NISSAN MAXIMA P0720 2003 NISSAN ALTIMA P0720 2004 NISSAN ALTIMA P0720 2005 NISSAN ALTIMA P0720 2006 NISSAN ALTIMA P0720 ACURA P0720 AUDI P0720 BMW P0720 CHRYSLER P0720 DODGE P0720 FORD P0720 HONDA P0720 HYUNDAI P0720 INFINITI P0720 ISUZU P0720 JEEP P0720 KIA P0720 MAZDA P0720 MERCEDES-BENZ P0720 MITSUBISHI P0720 NISSAN P0720 SUBARU P0720 SUZUKI P0720 VOLKSWAGEN