OBD II Fault Code

  • OBD II P0297

    OBD-II Code Vehicle speed sensor failure is defined as a Vehicle Overspeed Condition

    The Vehicle Speed Sensor tells the engine control module (PCM) how fast the vehicle is going. If the vehicle is driven over a certain speed, it will set code P0297.The PCM may put the vehicle into "limp home mode" to limit the speed that the vehicle can be driven. Repeated setting of this code may void your warranty.

    Vehicle speed sensor failure Symptoms

    • Engine may enter limp home mode (reduced performance)

    Common Problems That Trigger the P0297 Code

    • Driver is asking the vehicle to perform at unsafe speeds.
    • Vehicle speed sensor failure

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