I have the derringer installed in my 2016. It helps with cold engine lag but doesn’t eliminate it. I’ve found that driving in tow/haul mode helps significantly because the transmission shift points take better advantage of the engine’s torque curve. The aem update changed the shift points.
The...
I installed a Banks Derringer in my truck (yes, California legal). Driving in tow/haul with the Banks tuner seems to negate the negative effect of the emissions update.
New member here. Just want to add my experience. I had the same issues others are having. I think the software update only allows the truck to start rolling in 2nd or 3rd gear, it won’t downshift. I have a steep uphill driveway and the truck could barely climb it. If I shift manually, no...