DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

DTC

Item

(CONSULT screen terms)

A/T CHECK indicator lamp judgment flicker

Diagnostic item is detected when...

Possible cause

P0720

OUTPUT SPEED SENSOR

1st

Signal from output speed sensor not input due to cut line or the like.
Unexpected signal input during running.
After ignition switch is turned ON, unexpected signal input from vehicle speed signal of combination meter before the vehicle starts moving.

Harness or connectors
(Sensor circuit is open or shorted.)
Output speed sensor
Vehicle speed signal (from combination meter.)