P2546

Torque Management Request Input Signal A Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Reduced engine power
Rough engine operation
Delayed gear shifting
Check Engine Light Is On
The car goes into emergency mode

Causes

Open or short circuit in control circuit
Torque sensor malfunction
Wiring Harness Problems
Engine control module (ECM) malfunction
Bad contacts in connectors

How to Fix

Check the integrity of the torque control circuit
Inspect and, if necessary, replace the torque sensor
Check the condition of the wiring harness and connectors
Scan the ECM for additional errors
If necessary, reflash or replace the ECM

Related codes

P2544 P2545 P2547