Table 1 shows one common other fuel system related problems of the 2020 Chevrolet Traverse.
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems |
Failing front exhaust pipe mounting bracket. Gm has a special coverage program (n212356540) for 2019-2020 Chevrolet Traverse which covers the repair for 15 years or 150,000 miles from the original service date. The coverage is VIN specific. My vehicle has been having this issue for two years now and my VIN is not covered. This is unfair to the consumer/Chevrolet owners who's VIN's are not listed. This is an obvious ongoing problem for many Chevrolet Traverse owners, it should be an active recall on all 2018-2023 Chevrolet Traverse owners. Especially since Chevrolet/gm is aware of the problem. Most of us are paying off our vehicles because we can't afford a new one and gm is not providing assistance for some of us who at no fault of our own are having to pay for a defect they are aware of.
Active gm coverage on exhaust falling off, does not include all vins affected. My car is affected by this exact issue reported and refusal to fix or repair issue, because VIN “not included” (n212356540) is gm special coverage for exhaust falling off that isn’t including all vehicles affected.
Ive got this vehicle on 5/12/2025 and all of this need to be done catalytic converter replacement. During inspection found loud exhaust on startup. Upon further inspection found bank 1 catalytic converter cracked causing exhaust leak. Both exhaust front pipes damaged as well(broken mounting brackets between both pipes) . Recommend replacement of catalytic converter and both exhaust front pipesbrake system fluid exchange-performed pressurized fluid exchange of old brake fluid, removed moisture and air contamination from brake system. Installed new dot specific fluid to meet manufacture specificationsautomatic transmission service fluid exchangecf - cooling system service 6830/5881-01 includes flush cooling system, pressure test, check hoses, cap and check connection. Install cooling system corrosion control kit drain old transfer case fluid and replace with new fluid rear differential service this should have been done when the dealership got the vehicle, and it should be gm or berger responsibility. I am sure this was an issue to begin with.
Prematurely damaged exhaust system. Identical to special coverage adjustment n212356540 front exhaust pipe but my dealer and gm says that my VIN it’s not coveted.
The vehicle start stop feature is malfunctioning (I have a video) . When stopping or coming to a stop after driving through the city, at random times sometimes back to back when being stopped it goes down to 1 rpm then the auto stop feature kicks on and when it's time to depress the break to move again it malfunctions then sounds like a circular saw slicing through metal. At times you have put car in park hit engine ignition button to make it stop then wait a few seconds then start it back up. There's also a smell of strong fuel vapors coming in through the vents including defrost. Navigation stopped working ( turn by turn ) feature, also sounds as if the front end is knocking around going over speed bumps, the front right wheel has an odd rub sound that increases when accelerating. The gas also with a full tank depletes nearly within a day, and ait being a v6 should not guzzle $50 in fuel of 87 grade petrol. This thing is a rolling safety hazard. I have a wife and 6 children I transport daily. If something happens and we are injured I will sue your entire company general motors.
Failed catalytic converter. I have had this part repaired multiple times and there is still a leaking issue. I have receipts from both auto repair shops and the dealership showing that this is an ongoing issue.
Purchased the 2020 Traverse on [xxx] from basswood in ft. Payne alabama. Under the guise of the salesman I was assured that the vehicle was in great shape, with no issues at all, and a very clean carfax. Well I'm new to purchasing a car via financing with a CO-signer in which he was assured the vehicle was in great shape. Well unbeknownst to us my household the car was nothing of the sort. Within a few days the start/stop malfunctioned to the point it would not restart 98% of the time without sounding like a demo saw, it's a dangerous problem and there's times we smelled fuel once we were able to restart the vehicle. The front right wheel assembly looks as if it were on fire and if that's brake dust and it has a grinding whomp whomp sound when in motion,that's really not good no wonder it's hard to stop at times. The front end sounds like drums when going over bumps, speed bumps, road imperfections etc. . On morning start-up there's an absurd amount of exhaust coming into the cabin area, the codes [p3055 and p3056] are registered from the computer of vehicle. Now the smell of fuel is blowing through all vents whenever the defrost is running or all vents are used front and rear, with the truck in motion. It was so bad today that my entire family had to pull over to a gas station and get fresh air our eyes were burning and my [xxx] son nose started to bleed. , so that's two parents and 6 children scrambling for safety. This is our only reliable vehicle other than an old 99 suburban that is hardly even road worthy anymore. I spoke with several people that have purchased vehicles and all agreed that the salesman and mostly the sales managers knew that the vehicle came from an auction and was never serviced nor inspected at the basswood dealership, which equates to them actively concealing major effects and problems with the vehicle in question. Just to make a one time commission on a fraudulent deal! they didn't provide any inspection papers to me! information redacted pursuant to the freedom of information act (foia.
I took my vehicle to the shop for noise while driving. It was diagnosed as a cracked flex pipe. Upon research, the 2019 and 2021 models had recalls for the same issue, but not 2020. I did find a bulletin from gm including all models of Traverse stating the cause could be a faulty weld. My vehicle looks the exact same as the bulletin. This is a safety issue as a hole in the exhaust can cause exhaust to backflow into the cabin. I'm very lucky and thankful me and my kids have not yet been medically affected.
My 2020 Traverse has the exact same issue as the 2019, and 2022 models, both of which have active recalls. I contacted chevy and their response to me was that there was no recall on my model.
Faulty exhaust issues.
The exhaust broke, sounded like I was a race car driver. Muffle making loud noise while parking and driving.
Vehicle all of a sudden started sound loud when accelerating on a trip home. Vehicle is 58k miles. Upon investigation, the vehicle was loud when starting as well. Mechanic determined front pipe under driver side had rusted and broken. Was told there is no recall, not covered under purchased extended warranty - $600 to repair. This should not happen on a vehicle this age. There are similar complaints about the same issue for the 2020 model.
According to general motors, the new gm special coverage (n222385510) is only applicable the 2021 model year of the chevy Traverse. The condition described includes the separation of the front mounting bracket from the front exhaust pipe. This happened to prior year models and are covered under a recall too. All years I searched as well as my mechanic. My vehicle is a 2020 and the same issue is present but has not been covered under a recall.
Cracked exhaust & bracket back in 2023 causing a loud rattling noise. Now catalytic converter is cracked & gasket leak. Dealer does have notes that it was cracked & they noticed it in 2023 at 46k miles & that converter has now cracked causing engine light to turn on. Car does not speed up properly & gm only wants to cover 30 percent of cost.
Unknown we were on the highway when we noticed the engine light come on, then the fuel gage went all the way to empty then back up again. We were going about 65-70 mph. I am taking my vehicle in today to get fixed.