2025 Chevrolet Tahoe Transmission and drivetrain Problems

“I was driving when I noticed my vehicle lagging and possibly misfiring, and then the Service Four-Wheel-Drive warning appeared. I was just down the road from my house, so I pulled into the driveway and put the car in park, but it wouldn’t turn off. I realized the parking brake was engaged and wouldn’t release either. I was stuck in two-wheel drive and couldn’t switch to four-wheel drive, and the emergency brake wouldn't disengage when I pressed the button, so the vehicle still wouldn't shut off. …”

“On June 12, 2026, while operating my 2025 Chevrolet Tahoe, I experienced an apparent powertrain or transmission-related issue. At the time, the vehicle was already exhibiting another defect involving the air conditioning system, with the driver's side blowing hot air and the passenger side blowing cold air. While attempting to accelerate and pass another vehicle, the engine RPM suddenly increased to approximately 6,000 RPM. The RPM remained elevated momentarily before gradually decreasing. The vehicle's response was abnormal and inconsistent with normal acceleration. …”

“***SAFETY/DANGER*** On April 12th at around 5:30 p.m. my family of five, to include three minor children were returning home from visiting family which live about an hour and a half away and as we're traveling on the freeway at highway speeds, in traffic, our new Tahoe unexpectedly and without warning went into reduced power mode and cut speed down to approximately 35 MPH in active traffic, which out my family and every other car around me in danger and in jeopardy of causing a collision and even worse, a multiple car pile-up as I dodged full speed traffic in front and behind me while…”

“This 2025 Chevrolet Tahoe has experienced three separate and recurring engine-related failures. The first failure occurred at approximately 41,350 miles and required replacement or repair of the lifters and camshaft. The vehicle remained at the dealership for approximately 15 days. The second failure occurred at approximately 54,619 miles and involved another lifter failure along with traction control problems. The third failure occurred at approximately 65,140 miles. …”

“On September 5, 2026, at approximately 7:18 p.m. Pacific Time, a 2025 Chevrolet Tahoe High Country equipped with the 6.2L L87 V8 engine and approximately 18,000 miles experienced a sudden catastrophic failure while the engine was running. There were two occupants. A distinct pop was heard. The engine immediately lost power and multiple dashboard warning lights/messages began flashing. Within approximately 20-30 seconds, smoke and an electrical-burning odor were noticed. The vehicle was shut off manually and both occupants exited. …”