My gauges would go off and back on goin down the road, Flashing alarms like crazy, Long story short my mechanic stuck with it till he found it, He found a pin not making contact in a wire harness up in the head liner, Feeding the front camera...
Bro I can tell ya, I had bunch weird stuff goin on, Read thru this post I had about the issues I had, You have to have a dedicated mechanic to troubleshoot and able to run pinouts to find them...
Thank's Guy's, Looks like all is good now last couple days been testing battery voltage with truck off and shows 12 to 13 volt, Everything looks to be working, Service manager tried to say the ignition coulda got double bumped when I got out but I told him that cannot happen cuz it will shut down after so much time.. Again Thanks....
Thanks guy's I never do it either but was sit'n in the shop and jus got it back from dealer for a dead battery with only 54 miles on it and was check'n things out and saw the charging below 14 volts so was jus revving up to see if alt. would kick in and noticed the rev limiter...
I have a 2020 GMC Sierra SLT 5.3 10 speed Trans, Is it normal that reving up at idle it's like it has a rev limiter and will not let engine rev all the way to redlining it? I can only get RPM's up to 4000 to 5000 RPM...
Ok being I charged the battery over night The dealer did some testing and said battery was good (no dead cells) so they cleared all the alarms and gave it back to me, How ever I checked everything goin the 18 mile trip home, I did notice the auto stop was the only thing not working now, Not sure if that's a bad thing so if that's all I find then I may hold off getting that fixed...
Thanks Bro, I jus didn't feel good bout keeping the 8 speed tranny on the last new truck I will buy goin into retirement, And did get some features I did not have on the 2019... Don't really care bout sunroof but it was on the new truck but I'll take it, I think the adaptive cruise is a good improvement thou...
Monday I take possession of a 2020 GMC Sierra SLT say'n goodbye to the 2019, I am taking it on the chin purdy hard but jus afraid of the 8 speed transmission and all the horror stories, I don't dog my vehicles but being this is traded I floored it goin bout 50 and had a heck of a slamming when down shifting, I really wanted the 10 speed transmission, My nephew is a sale manager and he got me the best trade deal I could get... I also added adaptive cruise control, Sunroof, Almost everything a Denali has and I hate the Denali grills, I told my nephew I would take a Denali jus put my grill in it and he said no can do lol.... I am gunna retire in couple years and this will be the last truck I will own and just wanted a better more reliable truck, I hope I did not take beat'n for nuthun.... Oh and same color cuz Satin Steel Metallic is purdy cool in my book...
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