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P2063 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2063 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 P2063 code.

OBD II Fault Code

  • OBD II P2063

    OBD-II Code Wiring issue is defined as a Reductant/Regeneration Supply Control Circuit Low

    Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the exhaust stream brings Diesel Particulate Filter (DPF) up to temperature. The system is then able to convert harmful NOx to Nitrogen, Carbon Dioxide, and water. If DEF Injector fails to operate properly, code P2063 will set.

    Wiring issue Symptoms

    • DPF regeneration may not occur

    Common Problems That Trigger the P2063 Code

    • DEF injector failure
    • Wiring issue

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