Our automotive experts have put together the following information about the P2504 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 P2504 code.

OBD II Fault Code

  • OBD II P2504

    OBD-II Code Engine may not start is defined as a Charging System Voltage High

    If the battery voltage falls below 10 volts for more than 8 seconds, code P2504 will be stored.

    Engine may not start Symptoms

    • Engine may not start
    • Engine may stall

    Common Problems That Trigger the P2504 Code

    • Alternator failure
    • Battery failure
    • Wiring issue

    Common Repairs Needed for the P2504 Code

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