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Our automotive experts have put together the following information about the P2608 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 P2608 code.

OBD II Fault Code

  • OBD II P2608

    OBD-II Code Hard or no start in cold weather is defined as a Intake Air Heater "B" Circuit High

    The Intake Air Heater warms the air going into the engine on cold startups. If the engine control module (PCM) detects a failure in the Intake Air Heater or its wiring, it will set code P2608.

    Hard or no start in cold weather Symptoms

    • Hard or no start in cold weather

    Common Problems That Trigger the P2608 Code

    • Intake air heater
    • Powertrain Control Module (PCM) failure
    • Wiring issue
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