OBD Codes List

Diagnostic reference · P2544

P2544

Torque Management Request Input Signal A

System
Speed and idle control (P code)
Lamp
Check Engine Light
Category
Powertrain - Computer and Auxiliary Controls

What it means

P2544 means Torque Management Request Input Signal A.

Check these first

  • An open or short in the torque management request input A circuit
  • A failed accelerator pedal position sensor
  • Corrupted or outdated software in the controller
  • A backed out pin at the torque management request input A connector

What to do next

  1. Read torque management request input A on a scan tool
  2. Test the torque management request input A circuit for open and short faults
  3. Check the accelerator pedal position sensor signal
  4. Replace the accelerator pedal position sensor if the circuit tests good
  5. Reprogram or replace the controller if the sensor is good
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.