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OBD II Fault Code

  • OBD II P2510

    OBD-II Code Hard or no start in cold weather is defined as a ECM/PCM Power Relay Sense Circuit Range/Performance

    The PCM Power Relay supplies power to the engine control module (PCM). If the PCM detects a variance in voltage from the Power Relay, the PCM will set code P2510.

    Hard or no start in cold weather Symptoms

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

    Common Problems That Trigger the P2510 Code

    • Powertrain Control Module (PCM) failure
    • Powertrain Control Module (PCM) power relay failure
    • Wiring issue

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