2017 Chevrolet Tahoe

It has happened several times when going slow the breaks get really hard to stop the vehicle. Otherwise breaks are new work well. One time I hit my garage as I tried to move it slightly forward. Another time I was slowly moving forward & tried to stop at a driveway as person was walking by. I pressed breaks down as far as the could go.

My car has a problem This will be the 3rd visit to the Chevy dealership and the 6th time in a garage. At this time, the original alternator that came with the Tahoe, was running high through December and replaced with a new alternator from Parts Geek. It was ok for a couple weeks and is running high again. You cannot test it from a cold start to get this reading. It must be ran for at least 20 min. After a certain amount of time the battery gauge will move to the highest point, the warning lights of ABs, traction control, stabilitrak, trailer brake light, battery light (first time on 1/27/2026 for battery light), loss of drivers assist on 1/26/2026, tire pressure light, car dies coming to a stop sign. I can’t turn it back on for at least a min. I’m stuck inside with zero power, can’t unlock the doors to get out to direct traffic, open windows or put on 4 ways so I don’t get smacked in the middle of the road. After that minute I heard a click (no key in ignition, not trying to start) and then the dash lights started coming back on again and I started it. The battery did not restart the time on the radio screen so I’m assuming I didn’t die fully. The radio screen always goes black first, then the heat goes in and out, the warning lights come on and it dies. Takes a minute or so to be able to start it again and the lights aren’t on anymore but will continue to do the same shit after awhile of driving and now daily. I’m afraid to drive it anywhere since almost getting stuck inside and plowed at an interaction. I have reached out to Chevy about this problem and was referred to take it back to the dealership again, and to reach back out as soon as it’s there to open a case on the issue.Ive had it, this has been ongoing for a year, and I have to keep paying for things that doesn’t fix the issue and it’s getting worse.

There was a recall in 2019 (NHTSA Recall No. 19V645000) on certain GM vehicles for vacuum pump failure, which could affect braking and engine performance. The fix usually involved reprogramming the ECM to improve how the brake assist system operates - not necessarily replacing the vacuum pump unless it had already failed. My local dealership did the reprogramming but in 2025 the vacuum pump totally failed and left my vehicle stranded on the interstate. I had to have towed to a mechanic shop and the inside of the pump had broken into 3 pieces. So I had to have the vacuum pump replaced. During this time my car did not have brakes and put me and surrounding vehicles in a very dangerous situation. The mechanic gave me the broken part to show the dealership. The dealership said there isn’t anything they can do for assistance as I am out of warranty. There was a message that came up that said to service the braking system right before they stopped working.

The contact owns a 2017 Chevrolet Tahoe. The contact stated that occasionally while driving at various speeds, the vehicle failed to accelerate as intended while the accelerator pedal was depressed, and the RPM was elevated. In addition, the contact stated that the vehicle would brake independently while the accelerator pedal was depressed. The check engine and Electronic Stability Control warning lights would occasionally illuminate. The contact stated that restarting the vehicle was a temporary repair; however, the failure persisted. The contact stated that the windshield wipers activated independently, and all four doors locked independently. The vehicle was taken to a local dealer where it was diagnosed with a fuel injector #6 failure; however, the part was replaced approximately one month prior to the failure reoccurring. The vehicle was not repaired due to the cost. The contact related the failure to NHTSA Campaign Number: 19V761000 (Service Brakes, Hydraulic, Service Brakes, Electronic Stability Control (ESC); however, the VIN was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 95,000.

Urgent Attention Needed for Chevy 2017 Tahoe Safety Concern The Chevy 2017 Tahoe is presenting a critical safety issue with the recurring error message "Trailer Brake System" on the dashboard. This leads to a complete shutdown of the vehicle and loss of control at random intervals, posing a severe danger, especially on high-speed roads and highways. Despite attempting repairs, including replacing the controller module, plug adapter, and trailer brake switch, the issue persists. This widespread problem, affecting many users, indicates a potential manufactured defect demanding immediate attention and a recall. It is crucial to address this matter promptly due to its hazardous nature, even for those who do not use a trailer. The safety of vehicle occupants is at stake, and urgent action is required to rectify this concerning issue.

The contact owns a 2017 Chevrolet Tahoe. The contact stated that while driving at 75 MPH, several unknown warning lights flashed on the instrument panel, and the vehicle briefly shut off, then restarted while still in motion. Later, while driving at 45 MPH and attempting to complete a turn, the vehicle inadvertently lost motive power. The contact was unable to pull to the shoulder of the roadway, but the vehicle was able to restart. After restarting the vehicle, the vehicle returned to normal functionality, but the failure became a regular occurrence. The stability control warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed failures with the alternator and transmission. The vehicle was repaired, but the failure reoccurred. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 19V761000 (Service Brakes, Hydraulic, Service Brakes, Electronic Stability Control), but the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was unknown.

2017 Chevrolet Tahoe Brake Booster Vacuum Pump failed and had to be replaced. Booster sensor as well at cost of $1,493.22. Our vehicle almost hit another car in line for pre-school with children around and almost hit our garage doors due to this issue. Full recall in Canada but not USA? Why? "The amount of vacuum created by the vacuum pump may decrease over time. As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash"

The brakes become very hard to engage while at a low speed, consistently in traffic and the car rider line at school. It has caused me to almost hit cars in front of me and people walking between cars. To me, it feels like the brakes are sticking and not releasing fully when I release the pedal to recoil and as if a line is going to be filled with pressurized air to work again and it is not able to do so. If i wait and let the cars go far ahead of me and the blast without using brakes, there isn’t a need to keep using the brake m, but this is not how to drive in traffic and it isn’t safe. It also is scary to not rely on the function of my brakes and it is putting people at risk every day I drop my kids off or kick them up from school. I have had the brakes evaluated for repair, but I am told there is no issue with the brake pads or roters. No warning lights. It resolved after having my brakes evaluated and tires replaced, but it has returned.