Our automotive experts have put together the following information about the P037F diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P037F code.

OBD II Fault Code

  • OBD II P037F

    OBD-II Code Engine may not start is defined as a Glow Plug Sense Circuit High

    Diesel engines use Glow Plugs to heat up the combustion chambers to enable a quicker cold start. If one or more glow plugs is not working properly, the engine control module (PCM) will set code P037F.

    Engine may not start Symptoms

    • Engine may not start
    • Hard engine start

    Common Problems That Trigger the P037F Code

    • Glow plug control module failure
    • Glow plug failure
    • Powertrain Control Module (PCM) failure
    • Wiring issue

    Common Repairs Needed for the P037F Code

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