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OBD II Fault Code

  • OBD II P0816

    OBD-II Code Tap shifting will be disabled is defined as a Downshift Switch Circuit

    Some vehicles equipped with automatic transmission will give the driver the option of selecting the desired gear while driving, known as TAP Shifting. The shifter will usually either have a + ahd - button on it, or shift side to side when in Drive. If the downshift switch does not function correctly, code P0816 will set and the TAP Shift function will be disabled.

    Tap shifting will be disabled Symptoms

    • Tap shifting will be disabled

    Common Problems That Trigger the P0816 Code

    • Shift lever assembly failure
    • Transmission Control Module (TCM) failure
    • Wiring issue

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