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OBD II Fault Code

  • OBD II P2781

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

    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 + and - button on it, or shift side to side when in Drive. If the downshift switch does not function correctly, code P2781 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 P2781 Code

    • Body Control Module (BCM) failure
    • Shift lever assembly failure
    • Wiring issue
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