Our automotive experts have put together the following information about the P0681 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 P0681 code.

OBD II Fault Code

  • OBD II P0681

    OBD-II Code Hard or no start in cold weather is defined as a Cylinder 11 Glow Plug Circuit/Open

    The Glow Plug is used on diesel engines to preheat the cylinder before the engine is started. If the engine control module (PCM) detects the glow plug for cylinder eleven is not operating properly, the PCM will set code P0671.

    Hard or no start in cold weather Symptoms

    • Engine may not start
    • Hard or no start in cold weather

    Common Problems That Trigger the P0681 Code

    • Glow plug control module failure
    • Glow plug failure
    • Glow plug wiring harness failure

    Common Repairs Needed for the P0681 Code

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