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OBD II Fault Code

  • OBD II P261D

    OBD-II Code Powertrain Control Module (PCM) failure is defined as a Coolant Pump "B" Control Circuit High

    The water pump on some vehicles is electronically control by the engine control module (PCM). If the PCM does not detect the water pump is spinning at the speed commanded, code P261D will be set.

    Common Problems That Trigger the P261D Code

    • Powertrain Control Module (PCM) failure
    • Water pump relay failure
    • Wiring issue

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