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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Trouble diagnosis name DTC is detected if... Possible cause
P0720 Output Speed Sensor Circuit
  • The vehicle speed detected by the output speed sensor is 5 km/h (3 MPH) or less when the vehicle speed transmitted from the combination meter to TCM is 20 km/h (12 MPH) or more. (Only when starts after the ignition switch is turned ON.)
  • The vehicle speed transmitted from the combination meter to TCM does not decrease despite the 36 km/h (23 MPH) or more of deceleration in vehicle speed detected by the output speed sensor. when the vehicle speed detected by the output speed sensor is 36 km/h (23 MPH) or more and the vehicle speed transmitted from the combination meter to TCM is 24 km/h (15 MPH) or more.
  • Harness or connectors (Sensor circuit is open.)
  • Output speed sensor
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