P2544Powertrain Control

Torque Management Request Input Signal A

The control module has detected an issue with torque management request input signal A. This signal coordinates engine torque between the engine control module and another controller, such as the transmission. A fault can affect shift quality and power delivery.

🚗 Yes, in most cases, but have it checked soon. Torque management faults can affect shifting and drivability.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Wiring or connector fault$80-$300

30%

An open, short, or corrosion in the torque request circuit between modules.

#2Faulty transmission control module$300-$900

25%

The requesting controller sends an invalid signal.

#3CAN or communication fault$100-$500

25%

A network fault disrupts torque coordination messages.

#4Faulty engine control module$400-$1000

20%

The receiving module misreads the torque request.

🩺 Common Symptoms

Check engine light is on
Harsh or delayed shifts
Reduced power or limp mode
Possible other communication codes stored

💰 Repair Cost: DIY vs Shop

DIY Cost

$80-$500

Shop Cost

$150-$900

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2544

1Scan all modules for related communication or transmission codes.

2Inspect wiring and connectors between the engine and transmission controllers.

3Check the communication network for faults with a scan tool.

4Repair wiring or replace the faulty module as diagnosis indicates, then clear and retest.

❓ Frequently Asked Questions

What is torque management?

It is coordination between the engine and transmission controllers to smooth shifts and manage power delivery.

Can I drive with it?

Yes, in most cases, but shifting may be rough. Have it diagnosed soon.

Is this a wiring or module issue?

It can be either. Start with wiring and network checks before replacing a control module.

🔗 Related Codes

P2545P0700U0100U0101P0606