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2014 1500 - engine light and traction control light came on - transmis


Muffler Bearing

Question

Recently bought a 2014 Silverado LT w/ 5,3L and 6-speed trans(4wd crew). Truck has 110,000 miles on it, but appears to be lightly used and truely all highway miles. I have been driving it for a week now w/ no issues but this morning on the way to work under light driving the truck jerked and the engine light and the traction control light came on. They went off about a mile down the road but truck now seems to shift hard. Is this a sign of transmission problmes? Should the dealer have been able to see this problem by reading recent codes? I was told there were no issues and the truck had just been scanned and had no codes in the record.

 

Any ideas on the problem? Any comments on if i got screwed by the dealer? Are there issues w/ this transmission? What should i be doing to remedy or extend the life of the trans?

 

Any thoughts would be appreciated.

Thanks

 

I have a 2007 that has shifted ereatically from day 1 and now has 180,000 miles without a failure, maybe chevys just shift this way?? ughhh.....

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I'd bring it back to whoever you bought it from, and make them fix it. If they won't, make 'em buy it back and get another truck elsewhere.

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Obviously, you need to check the code that lit up your check engine light first.

 

Sounds like what just happened to mine, turned out to just be a spark plug wire that popped off, so one cylinder was not firing. The jerky transmission feeling was from the engine bouncing around at low rpm. They replaced the plug wire, it took 5 minutes to fix.

 

Until you know what the error code is, you have no clue on the fix.

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A 2 year old truck with a 110,000 on the clock is not lightly used ( might be considered well maintained). Normal driving miles is between 12,000 and 15,000 miles a year. I have an 2009 that has 3000 miles on it. That would be considered lightly used.

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Got the codes from a scanner I barrowed, turns out there were 4 codes. U0073 (CAN Bus Communication), U0401, U0102 (Lost communication w/ transfer case), U0140 (Lost communication with Body Control Module). They all seem to point at the same thing either a worn wire or bad plug and there is a GM bulletin concerning this and I plan to follow up w/ my local dealership.

 

My next question to the forum is could these codes have been cleared so the dealer could not see them? Or would their scanner have showed them even if someone recently cleared them? I specifically asked if it showed any codes or transmission problems and was told NO. I bought the truck from a private seller but had a dealership local to him perform an inspection, supposedly the most thorough I could purchase….at a minimum if he should have been able to see these codes I want my money back.

 

And YO, Duelin, thanks for helping me with my problem. A 2009 w/ 3000 miles….do you use it to pull parade floats? I don’t think that’s lightly used, I think that’s unused. You would be better off financially renting one from home depot when you need to pick up your 2 bags of groceries. I will look you up when I need help choosing a wax.

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Those codes could just be in memory - if they were active, you'd have a whole host of issues. Dealers usually never clear them for whatever reason.

 

When I got my Autel, I hooked it up to my truck and found 18 U & B codes. Could've all been triggered by the body shop that repaired scratches caused by an idiot that wanted to drag race the second I started to pass him, or they could've been in there from day one. Hard to say.

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Got the codes from a scanner I barrowed, turns out there were 4 codes. U0073 (CAN Bus Communication), U0401, U0102 (Lost communication w/ transfer case), U0140 (Lost communication with Body Control Module). They all seem to point at the same thing either a worn wire or bad plug and there is a GM bulletin concerning this and I plan to follow up w/ my local dealership.

 

My next question to the forum is could these codes have been cleared so the dealer could not see them? Or would their scanner have showed them even if someone recently cleared them? I specifically asked if it showed any codes or transmission problems and was told NO. I bought the truck from a private seller but had a dealership local to him perform an inspection, supposedly the most thorough I could purchase….at a minimum if he should have been able to see these codes I want my money back.

 

And YO, Duelin, thanks for helping me with my problem. A 2009 w/ 3000 miles….do you use it to pull parade floats? I don’t think that’s lightly used, I think that’s unused. You would be better off financially renting one from home depot when you need to pick up your 2 bags of groceries. I will look you up when I need help choosing a wax.

 

 

 

No! don't pull any floats don't want to over work it. Its not a work truck just an LT. Anyway I haven't been to a parade since 1962. I use it to test batteries. I will a buy new battery and let it set until it goes dead. Then I buy another battery. When I get the results from all of these dead batteries I will post the results of which one is the best. As for wax I use Beacon Vinyl Floor Wax. :)

Edited by Duelin
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These BUS systems go crazy if you're having power issues. Get the battery tested before you do anything and then the alternator.

 

I ran the battery down once on a 2013 Traverse left a battery box plugged in but it went totally stupid until I had the battery charged back up.

 

Throwing codes, Putting windows down, the alarms went off, I just let it run until it was charged the thing probably would have killed me if I tried to drive it.

 

Just eliminate these things first then dig into the issue.

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Hello Muffler Bearing,

 

We regret to hear that you are experiencing these concerns with your transmission. We understand your desires to have a reliable ride, and apologize for any inconvenience caused by this situation. We would be more than happy to reach out to a dealership on your behalf to see what repair options you may have. Please send us a private message if this is something that interests you.

 

Kindly,

 

Julianne M.

GM Customer Care

 

 

Edited by GM Customer Service
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Update to this issue, dealer has hit me for spark plugs, plug wires, and a fuel system cleaning. (and diagnosis fee of course). The codes i posted originally were apparently left over from who knows when.... and the dealer cleared them. The code that is reoccuring has been a cylinder misfire (either random misfire or cylinder #7). Once the code pops up it goes into limp mode and has all the symptoms i described above.

 

So what i am finding out is that the real issue (i believe) is the loud ticking i was told was normal and just the way the CDI sounds. I do not believe this!!!!. I have been told by a "non-dealer" mechanic, the issue is the lifters going bad that are associated with the Active Fuel Mgt system. He tells me he is fixing these on a regular basis, and the dealers are refusing to admit the problem. Has anyone heard of the ticking bing lifter issues associated w/ the AFM system???? Tearing the top of the motor apart is not a cheap thing to be chasing........ Any help w/ the ticking/misfire/AFM system issues would be greatly appreciated!!!! Thanks, (Even Duelin)

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https://search.yahoo.com/yhs/search?p=afm+lifter+failure&ei=UTF-8&hspart=mozilla&hsimp=yhs-002

 

All you ever want to read (but probably don't want to know) about AFM lifter failures

 

I just had all 16 lifters, cam, oil pump, etc replaced due to a lifter on #5 cylinder (non-AFM lifter) failing and scoring the cam. My truck had the ticking for a while, and finally broke down and installed the Range AFM disabler. Then one day, as I was pulling in the driveway, it started chirping and sounded like a belt chirping. Pulled the belt off and it was still chirping. Got to reading up and all signs pointed to a failed lifter. Bought the AFM delete kit from TSP and dropped it off at a local shop for the repairs. They called me and asked me to come by so they could show me the issue. The roller lifter was pitted and the cam was scarred up from the pitted roller.

 

http://i.imgur.com/8Qizg9I.jpg

http://i.imgur.com/auxz5Fz.jpg

Edited by hammerhead611
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I would not be to worried about a slight click, these DI engines just make some odd noises. I have never seen a GM +2014 DI engine that did not have some kind of slight click about it. The last quiet V8 I had was a 2006 5.7 you could not even tell it was running/idling with over 150k on it.....but it got about 12mpg and rode like a log wagon LOL

I do agree with a lot of others though in wondering if these +2014 DI engines will hold up at high mileage (+150k). Awesome technology if it actually holds up well long term. How much is a crate engine for one of these +2014 GM trucks?

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