P1720 on Nissan

On Nissan, vehicle speed sensor (automatic transmission output) fault

Severity: Inspect soon

CarsCounsel rates P1720 moderate to high and does not recommend driving if shifting is erratic or the speedometer is dead.

It gets more serious if:

Stop: Shifting is erratic, the transmission is in limp mode or the speedometer is dead. CarsCounsel does not recommend driving in that state.

Source: how we rate severity

This page covers only what differs on Nissan. For what P1720 means, the ranked causes and the test order, see the P1720 guide.

What's different on Nissan

Nissan

2005 · Pathfinder
Supported by vehicle data
2005 Pathfinder with 4WD: DTC P1720 V/SP SEN (A/T OUT) stored in the ECM. Whether the bulletin is still current is not verified.

05027Status unverified
Nissan 05027: 2005 Pathfinder 4WD, P1720 V/SP SEN (A/T OUT) stored in the ECM
2005pathfinder · NHTSA 10015998
2005 Pathfinder with 4WD: DTC P1720 V/SP SEN (A/T OUT) stored in the ECM.
We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Sources and review

Nissan 05027: 2005 Pathfinder 4WD, P1720 V/SP SEN (A/T OUT) stored in the ECM — Nissan
P1720 Code: Nissan Vehicle Speed Sensor — CarsCounsel

Last reviewed: October 16, 2026
Written by: Saurabh K.
Editorial review: Pending
Technician review: Technician review pending

This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error