2015 Chevrolet Suburban Powertrain & Transmission Problems

Pulling off from a stop sign on a hill, the car wouldn't accelerate and rolled back hitting a pedestrian and then jerked forward aggressively burning rubber on the tires. I smell the transmission burning. Luckily the lady didn't want to press charges.

The contact owns a 2015 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. No warning light was illuminated. The contact veered to the side of the road and had the vehicle towed to an independent mechanic, who determined that the transmission had overheated and needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 167,000.

The contact owns a 2015 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed and hauling a boat, the transmission unexpectedly downshifted into second gear. The contact stated that the drive mode indicator light flashed red, and the check engine warning light illuminated. The contact stated that the failure had occurred while driving downhill, and the contact pulled over to the shoulder of the roadway. The vehicle was towed to the dealer, where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 116,816.

The transmission was acting weird and felt like it was revving up and down while going 20-30 mph. After turning into my neighborhood there was a loud clunck like some dropped off the truck and it completely fell out of gear and just rolled to a stop. Shifted it into park, turned the truck off and back on and put it back in drive it went into gear and allowed me to drive to my house but still acted like it was about to drop out of gear completely again. My neighbor has a 2015 Silverado and 2017 Tahoe and both transmissions did the same thing and had to be replaced, all between 100-125k miles. The blind side system constantly goes off when there’s no threat

The contact owns a 2015 Chevrolet Suburban. The contact stated that while driving on two occasions, the vehicle did not accelerate as intended. The contact stated that when the vehicle reached 55 MPH, the vehicle dead stopped, and she was thrust forward, and on the second occasion, she sustained a head injury from hitting her head on the steering wheel. Medical attention was not needed. Additionally, on the second occasion, the vehicle began overheating, and the check engine warning light illuminated. The vehicle was towed to an independent mechanic, where it was codes P0700, P0741, and P0796 populated, and the TCM, torque converter clutch circuit, pressure control solenoid C, and transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was unknown.

Transmission gives out after 2 min

Driving down the interstate and the vehicles transmission just stopped working. The D on the dashboard started blinking and would not keep moving. When attempting to accelerate the vehicle’s engine just revved would not move. It was dangerous and no warning prior to this issue.

TRANSMISSION GAVE OUT WHILE DRIVING ON HIGHWAY YES NO LIGHTS TILL IT JUST STOPPED IN HIGHWAY

The contact owns a 2015 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The RPM was elevated. The contact stated that the transmission would inadvertently shift out of gear independently. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred to the NHTSA Hotline. The contact stated that the failure was related to NHTSA Campaign Number: 14V374000 (Power Train). The failure mileage was approximately 170,000.

The transmission started shifting hard in second gear and also whines at higher RPMs. The code it’s throwing is a Torque Converter Clutch issue. We were put in danger because it almost stalled on the highway. It has been inspected by a mechanic. There were no warnings prior to the failure.

transmission failed causing to replace do to the system on CHEVY motor changing from 8 cylinder to 4 cylinder and a thermostat on a transmission line.

The contact owns a 2015 Chevrolet Suburban. The contact stated that while the vehicle was parked and turned off without the key in the ignition, her daughter bumped into the gear shift selector and inadvertently shifted the vehicle into reverse. As a result, the vehicle began to roll, coming to a complete stop after colliding with another parked vehicle. The air bags did not deploy. No warning lights were illuminated. The vehicle was taken to the dealer, who was unable to duplicate the failure. The vehicle was not repaired. A police report was not filed, and injuries were reported. The contact reported bruising sustained while attempting to stop the vehicle but had not sought medical treatment. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA hotline for assistance. The failure mileage was unknown.

The transmission has failed several times during driving with no check engine light or maintenance required light appearing. I get monthly reports saying that the engine does not have any problems. My safety and others safety were put at risk because any time during driving the engine can lose power and you will no longer be able to accelerate. This could be dangerous on roads and especially highways if you are traveling at fast speeds and cannot get out the way of others possibly causing an accident. I have recently taken my vehicle to a car mechanic shop and they say this is a common issue in the transmission of similar makes and models around this year. There were no previous warning lamps or messages from the vehicle or the monthly diagnostic reports I receive monthly. The problem started occurring before 150,000 miles.

While traveling on the highway, my dashboard indicated that my transmission was overheating. I had to pull over immediately and turn off the engine to allow it to cool down in the middle of heavy traffic in an unsafe location almost getting hit my multiple vehicles at a high rate of speed. All regular maintenance has been done and it only has 119,000 miles. I purchased it in May 2023 with 113,000 miles from a reputable dealership and this occurred in October 2033, only 5 months later. There is a recall for this model and my vehicle is not included, which seems to be an ongoing issue with other consumers with the same year, make, and model. The transmission needs to be replaced and it’s costing over $6,000.

Chevy transmissions for the following years of 2015-2019 have has extensive problems. They include hard shifting, break down, and full blown blowing up on consumers. This has cause consumers to fork out on average $6000 to have a transmission replacement. There is over 2000 people on reddit who have reported this issue and chevy/gm has not opened a recall due to the [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

While traveling on a busy highway with cruise control on the rpms would go up about 2,000 then drop back down to normal. This happened all the way home (1hr 30min). No lights on dash or warning went on. Then when I was back in the city, I was at a stoplight turning left and pressed the gas it engaged and started to move and then the rpms shot up to 4,000 and the car didn't go. No warning lights, messages appeared.

When I attempt to speed up or slow down my truck hesitates, and it's followed by a significant shake, like a shudder, and sometimes it just jerks, or clunks, like it's doing a very “hard shift” when the automatic transmission changes the gears. Sometimes it shifts so violently, I feel like I got hit by another vehicle. I've also tried to accelerate into traffic, and the truck hesitate and then abruptly and violently jerks into gear. It creates a big traffic safety issue! Other times the transmission shifts gears so hard that it slams the truck forward, and makes feels like I've been rear-ended. Now it barely shifts!

In 2022, the transmission experienced a complete failure and required replacement. Unfortunately, the vehicle is now encountering the same issues once more. From various forums, it appears that these issues are prevalent with the 2015 Suburban, including the need for AC condenser replacements. Having had to address both problems, it's clear these repairs are quite expensive for a family vehicle, especially considering regular maintenance.

The transmission on my vehicle had a catastrophic failure according to the dealership with only 80k miles. This car is driven 10k-15k miles a year. This is completely unacceptable. These need to be recalled as this is happening to more & more of these model vehicles.

The contact owns a 2015 Chevrolet Suburban The contact stated while driving approximately 45 MPH on the highway, there was an abnormal oil odor and an abnormal sound coming from the vehicle prior to the vehicle losing motive power. There were no warning lights illuminated. The vehicle stalled in traffic and the Police arrived to direct the traffic while waiting for the tow truck to arrive and tow the vehicle. The vehicle was towed to a dealer where it was diagnosed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 122,000.