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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

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