Three problems related to check engine light on have been reported for the 2015 Chevrolet Traverse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Chevrolet Traverse based on all problems reported for the 2015 Traverse.
Vehicle will suddenly decelerate, with check engine light coming on and notifications that traction control is off, and stabilitrak is off. This has happened twice once while driving (straight on 25mph road) once-most recent- while idling at a stop light. After first time, had vehicle serviced and had a purge valve replaced per computer error code. Vehicle is awaiting service again. To be able to drive, shut off is required (two times) but engine light stays on. Vehicle has less than 36,000 miles. Weather was fair both days-overcast, but roads were dry. Vehicle has been subject to a very wet summer, previously a winter with a lot of salt and anti-skid treatments. Vehicle does not travel much other than to my child's school and basic errands. Only in my possession 2 years as of July.
I come to a stop then my SUV starts to shake then turns off as I am at a light or about to turn at a stop. When I push an the gas pedal the whole SUV shakes and sometimes the check engine light turns on right before the whole car just turn off when I come to a stop. I've had all 4 co2 sensors changed. Everything the dealership has told me to fix I have paid to have done on my car. And yet my problem is the same thing for the past 3 years. I couldn't return it because I waited to long after my warranty. Now I am told to keep paying for services I have already paid to have done. Even though it happens to be the same thing the system is showing up on the computer. I have a lemon on my hands and need help figuring out what can be done to fix this.
In 1 month 4 incidents that I lost power while driving, 3xs on main street, once on highway. Check engine light flashed for a moment then shut off. During the last 2xs vehicle was shaking. During the 3x, stabilitrak lights came on. All times, I pulled over (thankfully no accident), shut car off then restart. Upon 3x dealership replaced plugs and coils, then had 4th incident. Dealership says no codes and cannot recreate the problem. Car is going back in today for additional diagnostics. Vehicle is leased and just got to 1 year and 12k miles (130 miles dealer put on trying to recreate problem). This is beyond dangerous.