OBD Guide

P0720

Output Shaft Speed Sensor Circuit

P0720 is an OBD-II diagnostic trouble code meaning: Output Shaft Speed Sensor Circuit. Common causes: output shaft speed sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine light comes on
  • Increased fuel consumption
  • Dips during acceleration
  • The car goes into emergency mode

Causes

  • Output shaft speed sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Control unit malfunction
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check sensor resistance
  3. Clean sensor connector contacts
  4. Replace the output shaft speed sensor if necessary
  5. Check and update the control unit firmware

Related codes

Error P0720 by Vehicle Brand

FAQ

What does the P0720 code mean?

P0720 is an OBD-II diagnostic trouble code that indicates: Output Shaft Speed Sensor Circuit

What causes a P0720 error code?

The most common causes of P0720 include: Output shaft speed sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Control unit malfunction.

How do I fix a P0720 diagnostic trouble code?

To fix P0720: Check the integrity of wiring and connectors. Check sensor resistance. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0720?

Yes, but get it checked soon

How much does it cost to fix P0720?

The estimated repair cost for P0720 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat