ATS TCM Upgrade, A40 / A50 to T87A, 2011-2014 GM 6.6L Duramax Ford/ Ford Excursion " F-Series & Excursion 2000-2003 with

F-Series & Excursion 2000-2003 with 6

power is transferred gradually between optic zones showcasing the beam transitions

Durable Construction

6L Duramax CA LB7 (116120205)

ATS TCM Upgrade, A40 / A50 to T87A, 2011-2014 GM 6.6L Duramax Ford/ Ford Excursion " F-Series & Excursion 2000-2003 withATS 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