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2019 GMC Sierra 1500 AT4 tuner/programmer


Miller1

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Posted

I have been doing some searching and have found a couple of tuners/programmers for the 19 Sierra 1500 AT4 with the 6.2liter. AFE Scorcher Pro and one or two others. I was just wondering if there’s any others that I’ve missed and if so what are they? And has anyone tried the AFE Scorcher Pro? The only mods I’ve got are the Borla cat back and a chip from Chip your car, I also have a Cold air intake on the way. I can tell a little difference with the chip plugged in but not like the Superchips tuner I had in my 17’ Sierra 6.2l. I really want to get rid of the lag when I step on the throttle, I guess there are throttle modules that will help with that. But if anyone can offer me any suggestions I would greatly appreciate it.

Posted

Those are probably for the 2019 limited (old body style). There's no tuners out for the new body style yet. I'd be highly skeptical of anyone saying they can tune it. I'd be especially skeptical of the thing from chip your car. No one has cracked the ECU yet let alone figured it a way to do it with a dongle that plugs into the OBD-II Port for $65. LOL

 

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Posted

Lag?  6.2?  10 speed?  Really?  I've ran 2 or 3 of these, never experienced any lag either in normal or even sport.  Have you tried sport mode?  That 10 speed can shift its a$$ off and can downshift from 10th to 3rd like its nothing. 

Posted

Did it take this long to figure out how to tune the 14-18s? Or is it bc these are locked down differently?

 

Posted

The new ECU's are HIGHLY encrypted and haven't been cracked yet. When tunes see available they will be EXPENSIVE and will most likely cost over $2000. Similar to what the L5P diesels ran into...

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Posted

I really almost get the feeling that this is some sort of ploy to advertise for that chip your car website. New dude to the forums this is his first post and he mentions this mystical OBD-II plug in that's supposed to add 50hp for $200. Just seems shady

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