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Our automotive experts have put together the following information about the P2605 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 P2605 code.

OBD II Fault Code

  • OBD II P2605

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Intake Air Heater "B" Circuit/Open

    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 code P2605.

    Common Problems That Trigger the P2605 Code

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