Genuine GM 2009-2016 Allison Duramax Truck T14 TCM TCU
Genuine GM 2009-2016 Allison Duramax Truck T14 TCM TCU is backordered and will ship as soon as it is back in stock.
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Description
Description
Genuine GM Allison Duramax T14 Transmission Control Module (TCM/TCU)
Part Number: 591-01948
Fitment: 2009–2016 GM Duramax Trucks
This listing is for a remanufactured OEM Transmission Control Module (TCM/TCU) used in GM trucks equipped with the Allison Duramax transmission (T14) from 2009 through 2016.
The TCM is responsible for managing transmission shifting, ensuring smooth operation, fuel efficiency, and long transmission life.
✔️ OEM GM Factory Part – not aftermarket
✔️ Professionally rebuilt & tested
✔️ Direct fit for 2009–2016 GM Duramax trucks with Allison transmission
✔️ Guaranteed working condition
Ideal replacement for a failing or faulty TCM to restore your truck’s factory shifting performance.
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