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OBD II Fault Code

  • OBD II P06BC

    OBD-II Code Hard or no start in cold weather is defined as a Cylinder 4 Glow Plug Circuit Range/Performance

    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 four is not operating properly, the PCM will set code P06BC.

    Hard or no start in cold weather Symptoms

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

    Common Problems That Trigger the P06BC Code

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

    Common Repairs Needed for the P06BC Code

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