ATS TCM Upgrade, A40 / A50 to T87A, Early 2015 GM 6.6L Duramax LGH Duramax " When original unit starts to

When original unit starts to fail

Vehicle Compatibility: Fits 1989-1998 Dodge Ram 2500/3500 5

and inadequate line pressure

Quick Release V-Band 3-Piece Set (1C 1M 1F) - 3 Inch (517130003)

ATS TCM Upgrade, A40 / A50 to T87A, Early 2015 GM 6.6L Duramax LGH Duramax " When original unit starts toATS TCM Upgrade, A40 A50 to T87A. Fitment: 2011 Early 2015 GM 6. 6L Duramax. The A40 and A50 TCM that is used to control the Allison 6 speed automatic transmission is the weak link of the Allison transmission. This is due to delicate thin wires inside the TCM that contact one another overtime and short out the entire module. In 2022, Allison sent out a letter (SIL 15 1K2K 22) announcing the discontinuation of support for the A50 and A40. This