P2637 — Torque Management Feedback Signal A

What Does P2637 Mean?

P2637 is a diagnostic trouble code indicating: Torque Management Feedback Signal A. This code relates to the powertrain system. It has been reported in NHTSA complaints across 2 different vehicle models.

Symptoms of P2637

⚠️ Check engine light illuminated
⚠️ Hesitation during acceleration
⚠️ Engine overheating

P2637 Reports by Year

2020

1

2023

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"THE VEHICLE HAS HAD ONGOING ISSUES WITH SIGNIFICANT HESITATION WHEN ATTEMPTING TO ACCELERATE, COOLANT NEEDING REPLENISHMENT ON A REGULAR (EVERY 3-4 MONTHS) BASIS, VEHICLE STALLING AND SHUTTING DOWN SPORADICALLY, VEHICLE OVERHEATING, DOORS RANDOMLY POPPING OPEN AND NEEDING TO BE HELD SHUT BY MY CHILD"
— Ford Escape owner, 06/18/2020

"Last Nov.10 after my oil change to Nissan Van nuys Dealership within less than a mile, i got terrible experience,The Car was stop in the middle of the road and a red Solid oil pressure light show up on dashboard and The Gear shift from Drive to Neutral and get towed and bring back to dealer and afte"
— Nissan Pathfinder owner, 12/03/2023

Source: NHTSA Complaints Database

Most Reported Vehicles for P2637

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	FORD ESCAPE
2	NISSAN PATHFINDER

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2637: Torque Management Feedback Signal A