The Lemon IndexA torque signal between the engine and transmission computers is faulty.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Wiring fault. Then: module fault.
Owners named P2637 in 6 complaints to the U.S. government, most often on the Pontiac.
The details
What P2637 means
A torque signal between the engine and transmission computers is faulty.
Can I drive with P2637?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
50% of the owner complaints that name P2637 also say the car brakes or ABS act up. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2637
- Wiring fault
- Module fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Brakes or ABS act up: 50% of complaints
- Overheats: 33% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
P2635 P2646 P2615 P2610 P2609 P2601 P2600 P26A3
Quick answers
What does P2637 mean?
Torque Management Feedback Signal A. A torque signal between the engine and transmission computers is faulty.
Can I drive with P2637?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P2637?
Wiring fault; Module fault.
Counts: NHTSA owner complaints whose text names P2637. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.