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I have the same issue the last week on my 2013 Traverse. Today and a week ago. Stability warning, low engine power and I was driving. Had to put flashers on and pull over. This is very dangerous. The dealership couldn't find the error last week. I called GM and filed a claim. I'll be back to the dealership this Monday.
There are a lot of posts here - years of them about this problem. Has anyone seen a fix for this? Thanks
When I took the car in the first time they said they got a pretty general code and couldn't replicate it. The second time I was told the same thing but it appears as though they didn't document that in the service notes (I was also getting an oil change). I call today and although it's under extended warranty, it appears that I'm going to need to pay for a rental while they diagnose this problem that I first asked about in November of 2013. I think I'm done with Chevy cars but need this one to last at least four more years and that's why I bought the extended warranty. How does one go about contacting GM directly if they can't find the answer with the service department?
Please let me know if there is a fix for this issue. I'll pay the money... just need to feel confident car won't quit on me while I'm with the kids.
Also... Does anyone have a case number that I could reference when calling GM? It may be helpful if we compile a list of these and we can help them connect the dots.
P1682
But it sounds like you know better than to just throw parts at a car based on some extracted codes. The ECM may not be faulty at all here. It's possible there's some glitch in the wiring harness.
Together those two codes suggest an open or high resistance in the feedback and switch circuits meaning the PCM probably lost that power supply. It would be very easy to prove that is occurring when it acts up, the bigger and most important question is "why". Testing would start by identifying those exact circuits at the under hood fuse block assembly and at the PCM and then run the vehicle in order to get it to act up. With the failure occurring voltage drop measurements would be used to prove exactly where the circuit is failing. Remember how I had to add tag wires to provide test points?
This Traverse failure "could be";
A problem with the under-hood fuse block or its connections.
The relay, and/or the relay's connections to the fuse block.
The PCM or it's connections.
It could be in the wiring in between the PCM and the under-hood fuse block.
Like I said, exactly like the Envoy which BTW beyond demonstrating how a problem like this is approached really doesn't mean anything because what was wrong with the Envoy has nothing at all to do with what is going on with this Traverse. Every failure has to be investigated and solved for exactly what is happening this time and any pressure to use some past experience as leverage to try and jump to some conclusion only serves to devalue the training and talent that are required to take a disciplined approach to these problems and that's why it isn't worth it for techs to even bother to learn how to do diagnose problems like this. As far as everyone else is concerned when it is broken and stays dead it would be relatively easy to figure out. When its random like this the tech who gets assigned to fight it out usually gets screwed out of the hours on the clock that typically have to be invested against it. People like myself who have learned how to deal with these problems also got to enjoy being the person who gave our time away while doing it and we got to deal with the attitude that anything that the consumer was charged towards diagnostics was a rip-off because Auto-Zone etc. would diagnose the cars for free. The problem is, they didn't do diagnostics. They pulled codes and in many cases suggested what parts someone should toss at the car based on the code alone.
From the perspective of the techs who actually diagnose and repairs these kinds of problems consumers are getting something they didn't pay for because no matter what else that consumer has spent, it didn't go to the tech and the tech doesn't get to earn a living while they deal with these random failures.
Case in point... Remember with the Envoy the discovery of the .8v voltage drop on the relay command circuit ? While that was by all accounts "A Problem" it wasn't "The Problem". Nobody could really be faulted had they pulled the trigger and replaced the PCM for that discovery alone but experience has taught me to wait and prove if it was really the cause of the stall/no-start and it wasn't. Consider that I could have made a lot more money by replacing the PCM whether I found the fuse block issue or not and been totally justified in doing so. It just wouldn't have fixed the car COMPLETELY As it is there is a fair argument that replacing the fuse block and solving the primary issue hasn't completely repaired the Envoy either and should that PCM circuit degrade further it would end up doing "The Same Thing" that it was doing from the owners perspective.
But all the other owners having no issues have no reason to log in and report that their cars are running fine.
In the first quarter of 2016, GM reported a claims rate of 2.6%. Ford was a bit under 2%. GM and Ford have the second- and third-lowest accrual rates per vehicle in the world, at least compared to other public auto companies that report their numbers. Toyota is up, but a lot of that is the airbag mess.
The fact that we're up to 13 pages (~260 posts) in here plus more in other GM discussions over the years indicates that this issue is a sore point for GM. But the reports wouldn't dissuade me from buying the related Buick Encore.
Interesting stuff in any event. Too interesting if it's your car that dies on the freeway during rush hour.
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( I see I type to slow again and question already answered )
We eventually had the throttle body replaced by Chevy and have had no issues. I had a recall letter. It needed replaced by 100k miles. I waited till the last mile to get it done.
I take it to dealer he clears codes and tells me nothing is wrong .
I was in a accident because the car would not stop proper it shook and shacked when holding break down .
Lucky I wasn’t going to fast . after getting it fixed the dealer once again cleared codes and sent me on my way .
Please help why wouldn’t the traverse not stop and how can we get this fixed proper.
I have a 8 year old daughter and my wife in this car most time We don’t feel safe.