OBD Guide

P0A20

Motor Torque Sensor Circuit High

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