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What Does P0802 Code Mean?

    OBD-II Code P0802 is defined as a Transmission Control System MIL Request Circuit/Open

    The automatic transmission matches the engine optimum power and torque characteristics to the driver's desired rate of acceleration and speed by auto-selecting different gear ratios or 'speeds' to power the wheels. When the Transmission control module (TCM) detects an issue with the transmission, it will send a message to the engine computer (PCM) to set code P0802. Additional codes are usually stored in the TCM.

    P0802 Symptoms

    • Increased fuel consumption
    • Transmission may not shift properly
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