2018 Chevrolet Traverse Complaints

STRUCTURE — Filed 07/10/2026

I work full time in an auto body repair shop and a fire chief. I am coming across more and more white GM vehicles where the paint is not stuck where the windshield is glued in. A couple real hard pushes and the windshield will about come completely out.

POWER TRAIN,ELECTRICAL SYSTEM — Filed 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed and failed, lost communication with power steering passed and failed, lost communication with inflatable restraint passed and failed. Once tire was replaced vehicle was jerking with TCM notification coming on and off like the vehicle was sliding.

POWER TRAIN — Filed 06/23/2026

2 failed transmissions 2018 vehicle 2024 replacement of transmission 2026 needs another transmission

UNKNOWN OR OTHER — Filed 07/03/2026

the vehicle will not register that it is in park, when the engine is turned off a beeping notifcation reads "shift to park" - you have to start the engine and shut it off multiple times, or slam the shifter into place to get it register in park. this happens constantly and is starting to get old, and annoyoing.

POWER TRAIN — Filed 06/23/2026

Vehicle shudders when driving between 18mph and 40mph. Brought into dealership, was told that the Torque Converter is coming apart, and that it would require an entire Transmission replacement. This vehicle has been immaculately maintained, and only has 34745 miles on it. There is no reason that a main component of a powertrain should fail at such a low milage. I was told that the Warranty only convers the part for 5 years regardless of the low milage. Was quoted $8500 (at a discount) for the repair required to make the vehicle road worthy. Just to be clear, this is a one owner, garage kept vehicle that averaged less than 5000 miles a year, with a flawless service record. This is 100% a manufacturing issue.

ELECTRICAL SYSTEM,UNKNOWN OR OTHER — Filed 06/07/2026

2018 Chevy Traverse purchased from Carvana caused carbon monoxide exposure to my family in military housing. Vehicle locked itself while running in the garage (garage door open), and CO entered the home where my children were standing near the interior door. Fire dept forced entry into the vehicle and cleared the home. All family members required oxygen at the hospital; all 3 children had elevated COHb levels. Mechanic confirmed catalytic converter failure and exhaust defect. Full Description: On 6/7/26, our Traverse turned on and locked itself while running in our garage (door open) as we were preparing to leave. Exhaust was blowing toward the interior door of our military home, and CO entered the house. My children were inside near that door and became exposed. We could not unlock or shut off the vehicle. Fire dept forced entry, confirmed high CO levels, and cleared the home. At the hospital, all of us required oxygen; all 3 children had elevated COHb. A mechanic later confirmed catalytic converter failure, exhaust defect, P0171, and incomplete catalyst monitor—stating this can cause ongoing CO exposure. A Build Verification sheet found in the glove box (not disclosed at sale) showed pre‑existing issues: exhaust rattle, check engine light, and multiple mechanical reworks. Carvana refuses to assist. This vehicle is unsafe to drive or idle.

ENGINE — Filed 05/01/2026

Corrosion of the exhaust pipes lead to an exhaust leak.

POWER TRAIN,ENGINE — Filed 06/13/2026

Engine light came on. Car started shaking and making noise when shifting. Speed would not increase while driving. When shifting into park the car does not recognize that’s it’s in park and had to jiggle the gear shift. Took it to an independent mechanic and they said it’s probably the transmission. Have to take it to a transmission shop.

POWER TRAIN — Filed 10/23/2025

Transmission had a shutter when we bought it from a dealership at approximately 80,000 miles and after taking it back to dealership 2 different times we were told that was just how these newer 9 speed transmissions shift. Everything was ok and there was nothing to worry about. At approximately 120,000 miles the transmission gave out. Dealership would not honor warranty. So we took it to a private repair shop, who repaired it. Then less than 2 months later, the transmission went out again. We had it towed back to the same repair shop, who kept it for 6 more months. I just got it back saturday June 13, 2026 and drove it about 100 miles out of town and transmission went out again.

UNKNOWN OR OTHER — Filed 06/14/2026

Car not registering that its in park, it sometimes takes up to 30 minutes of needing this to shut off and with hot tempatures and young children this to me is a safety hazard.