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P0720

High Severity

Output Speed Sensor Circuit

Transmission System

What Does P0720 Mean?

No signal from the transmission output speed sensor.

Common Fix

Replace output speed sensor

Estimated Cost (DIY)

$20 - $60

Symptoms

  • ⚠️No speedometer
  • ⚠️Harsh shifting
  • ⚠️Limp mode

Common Causes

Failed output speed sensorlikely
Wiring issuepossible

How to Diagnose P0720

  1. 1Check sensor connector
  2. 2Test sensor
  3. 3Replace sensor

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Frequently Asked Questions

Is the output speed sensor the same as the vehicle speed sensor?
On some vehicles, yes. On others, they are separate sensors.
Can this affect the speedometer?
Yes β€” the output speed sensor is often used for speedometer calculations.

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