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Fixing Transmission Issues in Your Duramax: A Guide to Repairing the Allison A50 T14 TCM
Is your 2009-2017 GM Chevy GMC Duramax experiencing transmission issues? Poor transmission performance, reduced fuel efficiency, and frustrating downtime can be a real hassle. The culprit behind these issues is often a faulty Transmission Control Module (TCM). In this article, we'll explore the importance of the TCM, common symptoms of failure, and how our repair service can get your transmission running smoothly again.
What is the TCM and Why is it Important?
The TCM is a critical component of
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Mar 20, 2025