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Our automotive experts have put together the following information about the P0949 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 P0949 code.

OBD II Fault Code

  • OBD II P0949

    OBD-II Code Transmission Control Module (TCM) failure is defined as a Auto Shift Manual Adaptive Learning not Complete

    The Automatic Transmission needs to go through a relearn procedure anytime the transmission is serviced or repaired. If the relearn procedure is not performed, code P0949 will be stored.

    Common Problems That Trigger the P0949 Code

    • Transmission Control Module (TCM) failure
    • Transmission shift points are out of calibration
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