OBD Guide

P0A20

Motor Torque Sensor Circuit High

P0A20 is an OBD-II diagnostic trouble code meaning: Motor Torque Sensor Circuit High. Common causes: torque sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • The car goes into emergency mode
  • Increased fuel consumption
  • Unstable engine operation

Causes

  • Torque sensor malfunction
  • Open or short circuit in the sensor circuit
  • Connector problems or contact corrosion
  • Engine control unit (ECU) malfunction
  • Interference in the electrical system

How to Fix

  1. Check the continuity of the torque sensor circuit
  2. Inspect connectors and contacts for damage or corrosion
  3. Check sensor resistance and voltage
  4. If necessary, replace the torque sensor
  5. Scan the system for other errors

Related codes

Error P0A20 by Vehicle Brand

FAQ

What does the P0A20 code mean?

P0A20 is an OBD-II diagnostic trouble code that indicates: Motor Torque Sensor Circuit High

What causes a P0A20 error code?

The most common causes of P0A20 include: Torque sensor malfunction; Open or short circuit in the sensor circuit; Connector problems or contact corrosion; Engine control unit (ECU) malfunction.

How do I fix a P0A20 diagnostic trouble code?

To fix P0A20: Check the continuity of the torque sensor circuit. Inspect connectors and contacts for damage or corrosion. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0A20?

Limited driving only, diagnose soon

How much does it cost to fix P0A20?

The estimated repair cost for P0A20 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat