ATS TCM Upgrade, A40 / A50 to T87A, 2011-2014 GM 6.6L Duramax Ford/ Ford Excursion " 6L Duramax CA LB7 (116120205)

6L Duramax CA LB7 (116120205)

power is transferred gradually between optic zones showcasing the beam transitions

Dual 1/8" NPT Exhaust Gas Temperature (EGT) ports are supplied for gauges or testing equipment

Controlled Boost

Replaces the weak factory intercooler intake pipes on the 2003-2009 Dodge Cummins 5

ATS TCM Upgrade, A40 / A50 to T87A, 2011-2014 GM 6.6L Duramax Ford/ Ford Excursion " 6L Duramax CA LB7 (116120205)ATS 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