OBD Codes List

Diagnostic reference · P2547

P2547

Torque Management Request Input Signal A High

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

What it means

P2547 means Torque Management Request Input Signal A High.

Check these first

  • A short to voltage on the torque management request input A circuit
  • A failed accelerator pedal position sensor
  • A stuck throttle position sensor
  • Chafed torque management request input A wiring

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 a short to voltage
  3. Check the throttle position sensor signal
  4. Inspect the torque management request input A wiring for chafe
  5. Replace the accelerator pedal or throttle position sensor if the circuit tests good
  6. Clear the code and retest

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Updated

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