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OBD II Fault Code

  • OBD II P0801

    OBD-II Code Transmission may not shift into reverse is defined as a Reverse Inhibit Control Circuit

    The Reverse Inhibit Solenoid (Lockout Solenoid) prevents a manual transmission from being able to go into reverse at the wrong time. If this solenoid fails to operate properly, code P0804 will be stored.

    Transmission may not shift into reverse Symptoms

    • Transmission may not shift into reverse

    Common Problems That Trigger the P0801 Code

    • Reverse inhibit solenoid failure
    • Transmission Control Module (TCM) failure
    • Wiring issue
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