P0683

2017-10-10

Description:

  • The fault code P0683 indicates a problem with the communication circuit between the glow plug control module and the powertrain control module (PCM). This can cause issues with the glow plug system, which can impact engine starting and performance.

Possible Symptoms:

  • Glow plug system not functioning properly

  • Difficulty starting the engine, especially in cold conditions

  • Illuminated check engine light

  • Reduced engine power or acceleration

Possible Causes:

  • Faulty or damaged wiring in the communication circuit

  • Corroded or loose connections in the circuit

  • Failed glow plug control module

  • Failed powertrain control module (PCM)

Related Parts:

  • Glow Plug: A glowplug is a heating device that helps to start diesel engines. This car's glow plug has a problem which may cause hesitation while starting the car or the car not starting at all

Possible Solutions:

  • Check and repair any damaged wiring in the communication circuit

  • Clean or tighten any corroded or loose connections in the circuit

  • Replace the glow plug control module if necessary

  • Replace the powertrain control module (PCM) if necessary

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