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OBD II Fault Code

  • OBD II P0383

    OBD-II Code Engine may not start is defined as a Glow Plug Control Module Control Circuit Low

    The Glow Plug Module controls the Glow Plugs. Diesel engines use Glow Plugs to heat up the combustion chambers to enable a quicker cold start. When the engine control module (PCM) detects a problem with the Glow Plug Control Module, it will set code P0383.

    Engine may not start Symptoms

    • Engine may not start
    • Hard engine start

    Common Problems That Trigger the P0383 Code

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

    Common Repairs Needed for the P0383 Code

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