Service Engine Light On Problems of Chevrolet Traverse

The car is a 2013 chevy Traverse LS with 98,804 miles on it. When driving at highway speed the vehicle service engine light started flashing and a warning on the dash came up of service traction control, traction control system off, reduced engine power . The vehicle reduced speed from 60 mph to 25 mph. The vehicle started shaking and sounded like it was misfiring. When I brought the vehicle to a parking lot it would lurch forward when I let off the brake pedal. There were no warning signs of any mechanical issues or transmission issues prior to this. I shut off the vehicle let it sit for a moment and restarted it. Vehicle started fine no misfiring or lurching when I let off the brake. After resetting the faults the vehicle drove like normal. Appears to be an electronic issue. Possibly the fuse block. I have been a mechanic for 25 years this was my first time ever seeing this issue.

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While driving, my reverse camera came on, service engine light, traction control turned off, alerts for parking assist off, service traction control, service stabilitrax. Loss engine power and was not able to accelerate over 10mph while flooring the gas. This happened on a low traffic road thankfully or one of my children could have died in an accident. The alerts began while driving down a hill, the engine loss was noted when I turned. Apparently there are pages and pages of forums regarding this exact issue with the Traverse. How is there not a recall? how many people must die in accidents caused by engine power loss before you do anything?!.

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My 09' Traverse started to shudder intermittently on acceleration and then the service engine light (sel) came on. I had the car diagnosed and the code was a p0302 (misfire cyl). I had the car serviced and repaired by an ase certified mechanic. All coils and spark plugs were replaced along with fuel inj service, performance restore (oil, gaskets, etc). No discrepancies were noted with previous coils/plugs. The car appeared to be fixed. No problems were noted during an 800 mile roundtrip. Then the shuddering returned during normal day driving around town upon acceleration with the sel illuminating. I took the car back into the mechanic, and the code was the same (p0302). After further research by the mechanic, a gm technical bulletin was found (#pip5038b). I've contacted gm customer service and filed a complaint, case # 9-5063655170.

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Last week when my car was parked, it died. When I got back in, I realized it had died, and tried to start it. When I started it, all of these errors started popping "engine power reduced", "traction control is off", "service stabilitrak". The power was definitely reduced, and I could barely creep along. The car even shook like it was about to die. Then when I was trying to stop the abs breaks came on and off several times. I parked and turned it off then turned it back on after a minute. It was back to normal except the service engine light was on. So I took it to the dealership and had them check it out. They couldn't find anything to fix and said to call again if anything happened again (they did charge the battery). I went and picked it up and drove it 10 miles. I parked and shut it off. When I came back out to start it about 30 minutes later, this time there was an error about the guidelines on the camera system not working and the same stabilitrak error. So I shut it off and started it back up. It seemed to be functional after restarting it. It was okay for a few days until the major errors happened again this morning. I was trying to pull into a parking spot and it did the same thing with the same errors that I first had. It actually went to a total stop and would not move forward at all. I was thankful that I was in a parking lot and not on the highway my children in the car with me. It was so sudden, that if we had been on the highway, I am sure I would have been in an accident. I turned it off and back on and the same thing happened again with the same errors. So I turned it off again and let it sit for a minute and turned it back on. The errors were gone but the service light was on. It seemed functional again. There are tons of similar situations reported online. The dealership is supposed to check it again.

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My Traverse started at the beginning of winter randomly having the engine light come on then the vehicle would ding and I would get a message of "service traction control" then "service stabilitrack" and then it would ding again and I would get the message "reduced engine power" after a couple months this happened every time I started the car and was finally able to take it in to have the code read. Turns out the throttle body was shot. Gm replaced this under an extended warranty. Well upon picking my vechel up I was told the rear O2 sensor was shot, they wanted to charge me $250 to replace it, I opted out and my husband, an on the side mechanic, fixed it for a total of $30. Service light still on after new O2 sensor. My vehicle was also making a weird sound at this time which I described to my husband as a grinding. They hooked it up to the computer again and said that they gave me the wrong info last time that it was the front O2 sensor that was bad but that was the only code. So I ordered another O2 sensor for my husband to fix. . . 2 days later my service engine light started flashing at me. I immediately pulled over and shut my vehicle off. I called the local dealership to again ask if another code was thrown, was told no. . . Drove my vehicle home and my husband drove it. He knew it was the timing chain. He called the local dealership once more and they quoted us at $2500 to replace as the entire motor has to come out. He called to a different dealership 40 miles away and it was $1900 to fix. I got on the phone with gm and wanted to know if there was any recalls as this is a very common problem and at this time there are not so they didn't cover any of the cost!!! I have a cousin who also has a 2011 Traverse and it is currently sitting at the shop with the exact same problem, however hers also needs the catalytic converter replaced!!.

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