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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    Update: code indicated TPS. I replaced it and so far so good
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    Good dongle type scanner

    Can this be used to disable DOD on my 2011 Chevy Tahoe?
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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    Negative disconnect did reset, but I feel that my next step is running down the grounds and working on them.
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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    Sorry, life got in the way and I never did respond. I did replace the brake light switch and everything went well, until today. When I get a chance I'll look into all the stuff you mentioned. Thanks! Right now I'm disconnecting the negative to see if I can get it to reset. At least so I can get...
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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    Just went for a spin. Nothing out of the ordinary so far. Not sure if the voltmeter is running high or not. My wife drives this thing 99.9% of the time and is pretty sensitive to changes. Much more than I am. It's running just past 14, right under 15 volts and steady the whole drive. Nothing...
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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    Yeah, throttle body. I was in a rush to get this thread posted before company came over and am just now getting back to it. As I was posting earlier, and looking up "stabilitrac, lift gate," and such, a Youtube video suggestion popped up. I had read the other day that if certain things were not...
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    2011 Tahoe LTZ Electronics shut down, loss of power, and Service Traction Control, Stabilitrac off, reduced engine power msg coming on

    I cleaned out the intake when this happened several months ago and that seemed to have solved the issue. Messages started popping up, losing power this week, so I smugly told my wife, "I got this, woman." Cleaned the intake butterfly area again. i noticed that it was a lot dirtier than I would...
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    2011 5.3 engine noise, lend me your ears

    Both good guesses, but nope.
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    2011 5.3 engine noise, lend me your ears

    I don't know how to explain it other than the rough idle and sound was caused by a gunky tb. I've dealt with this in previous vehicles, but yeah this thing sounded like something was about to fall off. Ever since I cleaned out the throttle body it runs very smoothly. I hope it's not just a...
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    2011 5.3 engine noise, lend me your ears

    Maybe, it seemed to have been fitted properly but it surely was nasty in there.
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    2011 5.3 engine noise, lend me your ears

    Just following the rules to riddle engagement! I'll go ahead and say just so that posterity can at least look into this before they start removing intake manifolds and headers and dropping transmissions and such. The throttle body was gunked up. I got in with some 99% isopropyl alcohol and some...
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    2011 5.3 engine noise, lend me your ears

    Yeah, I'm not trying to be cryptic, but genuinely want to see if others offer a possible fix. Not a wiring problem. That's not exactly true since I have a driver's side headlight that keeps going out, a passenger seat heating element not working, very intermittent cruise control, and the air...
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    2011 5.3 engine noise, lend me your ears

    New information, or rather information I already had, but didn't think it was important. You be the judge. I did have an old code that I didn't really think about, because the problem just started recently, so I assumed that it was because of a recent code. The code in question: P0121 Go! Hint...
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    2011 5.3 engine noise, lend me your ears

    I used a stethoscope, couldn't really find anything unusual, but I didn't probe the starter or catalytic converter. I think I'm going to take it by the muffler shop next.
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    2011 5.3 engine noise, lend me your ears

    Idles rough when the noise engaged, otherwise idles smooth. Nothing noticable while driving or changing gear that I know of. Once the noise started we pretty much parked it. Oil and oil pressure looks fine.
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    2011 5.3 engine noise, lend me your ears

    I did not, but I paid attention while the clutch engaged and there was no noticable change. Another thing I've noticed is that there is a definite exhaust leak. I figured it might be a loose pipe connection or header. Would an exhaust leak cause rough idle?
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    2011 5.3 engine noise, lend me your ears

    Codes thrown are P0521 P0523, I've already replaced the oil pressure sensor (you can see it right around :40), boy was that a task. I have not done the DOD delete, makes the noise with belt removed. I'm wondering if this is a lifter. What do your ears tell you?
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    Tpms reset needed?

    Thank you, I was hoping there was a simple solution to this. I took it down the road, and just as I was losing hope the light went off before I made it back to the house.
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    Tpms reset needed?

    Thanks. I didn't think it was the right section, but I was just following the section a previous poster had about the TPMS. I just want to confirm that this is in fact a lot more complicated than it needs to be. I don't mind that, but if it's something super simple I don't want to miss that...
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    Tpms reset needed?

    2011 Tahoe LTZ. My low pressure light came on and display tells me my RR tire is low. I put the correct pressure in, does the sensor not know when the pressure is correct so that it can reset? Do I need to buy the reset tool to get this thing so it's not showing a low tire, or am I missing...
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    Side mirror replacement or fix

    In for answers. I just found out that my passenger side mirror does not fold in, I'm guessing it's a motor, but I just want to see what some of the options were to get this fixed.
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    Just bought a 2011 Tahoe LTZ and looking for a tuner

    Thank you. I have not disregarded your advice. I won't make any decision hastily.
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    Just bought a 2011 Tahoe LTZ and looking for a tuner

    I just learned about a local guy named Charles Barber of v8muscle.net. He seems to be legit, so I may give him a try.
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    Just bought a 2011 Tahoe LTZ and looking for a tuner

    Thanks, I'll look into that. What is the general turn around time?
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    Just bought a 2011 Tahoe LTZ and looking for a tuner

    In upstate SC. I'm in Anderson, SC so if anyone knows anyone local to me please let me know. I already posted this here because I'm still learning and trying to pay attention to the layout: https://www.tahoeyukonforum.com/threads/seeking-tuner-in-upstate-sc.128822/

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