Our automotive experts have put together the following information about the P0888 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 P0888 code.

What Does P0888 Code Mean?

    OBD-II Code P0888 is defined as a TCM Power Relay Sense Circuit

    If the Transmission Control Module (TCM) does not receive the correct amount of voltage, it will send a message to the engine control module (PCM) to set code P0888.

    P0888 Symptoms

    • Increased fuel consumption
    • Transmission may not shift properly

    Common Problems That Trigger the P0888 Code

    • Transmission Control Module (TCM) failure
    • Transmission Control Module (TCM) relay failure
    • Wiring issue
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