P2638

Torque Management Feedback Signal A Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
Hard gear shifting
Enabling emergency operation
Check Engine light comes on
Unstable engine operation

Causes

Torque sensor malfunction
Wiring harness damage
Poor contact in connectors
ECU software problems
Mechanical problems in the transmission

How to Fix

Check the condition of the wiring harness and connectors
Check the torque sensor for faults
Update ECU software
Conduct transmission diagnostics
Replace faulty components

Related codes

P2637 P2639 P2640