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.
2015 Chevrolet Suburban: complete transmission failure
9 of the 432 complaints about the 2015 Chevrolet Suburban describe complete transmission failure.
- owner complaints
- 9
- of this car's complaints
- 2%
- typical mileage
- 116,816
- recalls
- 3
Is there a fix? There are 3 recalls and 153 service bulletins for this area of the car. See below
Complete transmission failure by model year
What owners say
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.
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 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.
My 2015 suburban has 103000 miles on it and the transmission failed. It is going to cost $5300 to repair. It is just over the powertrain warranty so this will be out of our pocket. Suburbans have known transmission issues. We believe a $60,000 vehicle should last longer than 6 years and 100,000 miles.
The transmission failed shortly after purchasing used in jan of 2021. We were driving on our family vacation from ohio to south carolina and the transmission failed in north carolina
Transmission failure during driving including humming noise and vibration, inconsistent shifting, difficulty shifting gears and hard/sudden shifting while driving.
Transmission failure while driving down the road. Vehicle not shift into gear. Car was under mileage warranty and 20 days outside of 5 year warranty. It is a huge safety concern as this happened when driving the vehicle.
Tl* the contact owns a 2015 chevrolet suburban. The contact stated that the transmission failed on two occasions. The vehicle was taken to a dealer to be repaired but the details were not available. The manufacturer was made aware of the failure. The failure mileage was 147,000.
Service bulletins that may apply
- Power train
- This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- This service bulletin provides information on some vehicles that may rock or move slightly forward or...
- This technical bulletin provides a procedure for the techs to replace the forward check ball and separator...
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is...
- This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
- This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a...
Related recalls
Power train: transfer case (4-wheel drive)
- What is wrong
- General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.
- Risk
- Front or rear wheel lockup increases the risk of a crash.
- Remedy
- Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18, 2026. Owners may contact GMC customer service at 1‑800‑462‑8782, Chevrolet customer service at 1‑800‑222‑1020 or Cadillac customer service at 1‑800‑333‑4223. GM's number for this recall is N262557620. Vehicle Identification Numbers (VINs) involved in this recall became searchable on on May 7, 2026.
Recall number 26V289000 · Recall details
Power train: transfer case (4-wheel drive)
- What is wrong
- General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado and GMC Sierra vehicles, and model year 2015 GMC Yukon and Chevrolet Suburban and Tahoe vehicles. In the affected vehicles, an electrical signal short may cause the transfer case to shift to neutral without the driver's input.
- Risk
- If the transfer case switches to neutral while the vehicle is parked and the parking brake is not in use, the vehicle may roll away increasing the risk of injury to bystanders. If the transfer case switches to neutral while the vehicle is being driven, the vehicle would lose drive power, increasing the risk of a crash.
- Remedy
- GM will notify owners, and dealers will re-program the software in the transfer case control module, free of charge. The recall began in early August 2014. Owners may contact General Motors customer service at 1‑800‑222‑1020 (Chevrolet), or 1‑800‑462‑8782 (GMC). GM's number for this recall is 14192.
Recall number 14V374000 · Recall details
Power train: automatic transmission: cooling unit and lines
- What is wrong
- General Motors LLC (GM ) is recalling certain model year 2014 Chevrolet Silverado Light Duty Regular Cab, Double Cab, and Crew Cab 1500 series and model year 2015 Suburban and Tahoe; GMC model year 2014 Sierra Regular Cab, Double Cab, and Crew Cab 1500 Series and model year 2015 Yukon and Yukon XL vehicles equipped with a 6-Speed Automatic Transmission (feature code MYC). The subject vehicles may have a transmission oil cooler line that is not securely seated in the fitting.
- Risk
- If the line is not securely seated and transmission oil leaks from the fitting, the oil could contact a hot surface and cause a vehicle fire.
- Remedy
- GM will notify owners, and dealers will inspect the transmission oil cooler line connection and repair the vehicles, as needed, free of charge. The recall began on May 19, 2014. Owners may contact Chevrolet at 1‑866‑694‑6546 or GMC owners may contact GMC at 1‑866‑996‑9463. GM's number for this recall is 14121.
Recall number 14V152000 · Recall details
Questions about the 2015 Chevrolet Suburban transmission failure
Is complete transmission failure a common problem on the 2015 Chevrolet Suburban?
9 of 432 owner complaints about the 2015 Chevrolet Suburban (2%) mention complete transmission failure. The model year with the most reports is 2017.
Is there a recall or service bulletin for this on the 2015 Chevrolet Suburban?
There are 3 recalls and 153 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 2015 Chevrolet Suburban
Brake failure 25Power steering loss 25Loss of power 23Check engine light 17Fuel leak 11Stalling 11Spongy pedal 10Grinding brakes 8Steering lock-up 8ABS 7Fuel smell 7Headlights 7Engine failure 6Fire or smoke 6Hesitation 6Water leak 6Adaptive cruise 5No deployment 5Fuel pump 5Jerking 5
VIN decoder
See the problems and recalls for an exact car
Buying a used 2015 Chevrolet Suburban?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history