OBD Guide

P2637

Torque Management Feedback Signal A

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Reduced engine power
  • Switching to emergency mode
  • Check Engine Light Illuminates
  • Unstable engine operation
  • Dips during acceleration

Causes

  • Open or short circuit in the sensor circuit
  • Torque sensor malfunction
  • Wiring Harness Problems
  • Transmission control module (TCM) malfunction
  • Software error in the ECU

How to Fix

  1. Check the integrity of the sensor electrical circuit
  2. Test the torque sensor
  3. Inspect and, if necessary, replace the wiring harness
  4. Check TCM Error Codes
  5. Update ECU firmware if necessary

Related codes

Error P2637 by Vehicle Brand