2019 Chevrolet Blazer driver assistance problems

Filed Nov 8, 2026 · Brakes, Driver assistance · OH

Several times now my Automatic Emergency Braking has kicked in, my car jerked me so hard that I just missed hitting my face on the steering wheel. This is the scariest thing in that moment, and it has happened when I have so much distance from the other cars so it’s very unexpected when it kicks in. Not to mention it makes like a grinding sound each time it happens. Again, this has happened several times before this last time. This is something that can easily turn in to a safety problem, not only does it make the car slide a little during this period—- but it also scares the person operating the vehicle because of the unexpected times that it happens. With no warning and safe distance between me and another vehicle it still happens.

Filed Aug 27, 2026 · Driver assistance, Engine · OH

Just had to replace a radiator that was leaking all across the top. Also have gotten the steering assist warning for thermostat and temperature sensor. Seems to be cery common problems rhat gm ahould fix

Filed Apr 23, 2026 · Driver assistance · MI

My vehicle is breaking on its own. There are other vehicles riding behind me and it just stops out of nowhere. I think that's dangerous. I can be driving and I'm thinking I'm OK driving in a vehicle. Just just hit on break. I don't know where I just stops and while I'm driving and I think that's very dangerous

Filed Dec 18, 2025 · Driver assistance · KY

I have replaced the thermostat sensor 3 times because keep getting assist driver assistance disabled throws code p1028 code coolant drops check engine light come on the auto stop quits working

Filed May 13, 2025 · Acceleration, Driver assistance · OH

My transmission can accelerate with the cruse control on, transmission also sputters at lower RPM. Lastly my shift to park issue kills the battery.

Filed Apr 16, 2025 · Driver assistance, Engine · TN

Po128 temp. Below normal, happens on a regular basis, at least 2 times a week,

Filed Apr 16, 2025 · Driver assistance, Electrical · MN

1. Wire harness with coil wires is the problem. It was fixed by a local shop and the vehicle can be inspected if needed. 2. The car throws a code for a faulty thermostat/coolant temp sensor. This will not allow the car get to oporating temp and could cause engine damage or not perform properly causing risk of an accident. Also this will reduce the driver assist features such as lane assist and adaptive cruise/braking. 3. Yes. 4. A local shop inspected the thermostat and coolant temp sensor and they oporated as they should. 5. The engine light comes on for the reasons mentioned above. It also has a "driver assist reduced" message. It appeared randomly while driving and stayed on for multiple days. Vehicle had a code for a bad thermostat/coolant temp sensor and "driver assist reduced" message. The cause is NOT the temp sensor or thermostat and is actually a wiring harness that two wires need to be separated from the bunch. The frequency from one wire interferes with the coolant temp sensor wires. I am on several forums for chevy blazers and there are TONS of posts about this issue with the 3.6 V6. Most people will go in and have these expensice parts replaced. It is not acceptable to have people get charged for a $800+ job when the part is not faulty.

Filed Feb 4, 2025 · Driver assistance, Transmission · CA

When attempting to put my car in PARK, the car issues a warning stating the car is not in PARK, it doesn't recognize the gear shift being in park, therefore, I am unable to shut my car off or lock it up. It is a known manufacturing defect and GM refuses to cover the cost to add a bandaid to it as there is no permanent fix. This is a safety issue, and now my car is not reliable, nor safe. GM refuses to issue a recall on this.

Filed Dec 2, 2023 · Driver assistance, Transmission · OH

I took my vehicle to the dealership for the recommended oil change on 09/15/2023. I am extremely good about keeping up on the routine maintenance. Upon arrival, the technician asked if I knew that my check engine light was on. I stated no, it was not on during my drive in and has not been on previously whatsoever. I scheduled a diagnostic for 09/20/2023 and brought it back to the dealership with 68,191 being the mileage. It was determined that my thermostat needs to be replaced. I then began receiving the message Steering Assist is Reduced" which is very unsettling. I am finding that a lot of newer model 2019+ Chevy Blazer owners are struggling with the exact same temperature issue, even those with way fewer mileage than mine for example a person who just had 25K on theirs. This needs to be taken more seriously / addressed further by the manufacturer.

Filed Mar 30, 2022 · Driver assistance, Electrical · CA

Eco stop/ start died three times since I bought car. I am unable to turn off this option and the accident feature starts to break when I’m not near another car. Any Electrical issues cause the car not to start.