P2637 - OBD II Trouble Code
Our automotive experts have put together the following information about the P2637 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2637 code.
What Does P2637 Code Mean?
OBD-II Code P2637 is defined as a Torque Management Feedback Signal "A"
The Transmission Control Module and the engine computer (PCM) constantly talk to each other to ensure that they are working together to produce the desired power output. If the two modules fail to communicate with each other, code P2637 is set.
P2637 Symptoms
- Transmission may not shift properly
Common Problems That Trigger the P2637 Code
- Powertrain Control Module (PCM) failure
- Transmission Control Module (TCM) failure
- Wiring issue
Common Repairs Needed for the P2637 Code
About the Author
Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.
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