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Our automotive experts have put together the following information about the P2511 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 P2511 code.

OBD II Fault Code

  • OBD II P2511

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

    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 P2511.

    Hard or no start in cold weather Symptoms

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

    Common Problems That Trigger the P2511 Code

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