2026 Chevrolet Tahoe Problems

Engine squeeled then shut down. It froze up. Its a 6.2

I was on the interstate. Initially I heard a faint rattling sound. I turned off the radio and AC to listen more closely; the sound was not audible. But then traffic came to a standstill. As I slowed, that barely audible noise began to sound like something boiling in the engine. The temperature and pressure gages were all in normal operating ranges. I pulled to the shoulder of the interstate and checked under the hood. I noticed a distinctive squeaking sound although the fan belt was intacted in running true. There was no sign of any fluid loss in the engine compartment or underneath the vehicle. While attempting to get to a Chevrolet Dealership one exit away, the vehicle stopped running while at a stop light. additionally, there is a recall on this vehicle for the automatic braking system. GM and the dealerships are aware of this recall yet this website states there are no recalls.

I was on the interstate. Initially I heard a faint rattling sound. I turned off the radio and AC to listen more closely; the sound was not audible. But then traffic came to a standstill. As I slowed, that barely audible noise began to sound like something boiling in the engine. The temperature and pressure gages were all in normal operating ranges. I pulled to the shoulder of the interstate and checked under the hood. I noticed a distinctive squeaking sound although the fan belt was intacted in running true. There was no sign of any fluid loss in the engine compartment or underneath the vehicle. While attempting to get to a Chevrolet Dealership one exit away, the vehicle stopped running while at a stop light. additionally, there is a recall on this vehicle for the automatic braking system. GM and the dealerships are aware of this recall yet this website states there are no recalls.

Control algorithm issue. Unexpected acceleration. Not confirmed by dealer. I experienced it twice. Google Gemini sems to know about this. No inspections performed. No warnings. There is a safety issue with the 2026 Chevrolet Tahoe adaptive cruise control. My observation: On a previous drive, I used the adaptive cruise control with it set at highway speed. I disengaged it as I got off the highway using the brake pedal and arrived at my destination via city streets. I turned the vehicle off, exited and locked it. Later, I re-entered the vehicle, started it and began slow speed maneuvering (<5mph) in my driveway, where in, I accidentally bumped the cruise control “Resume” switch, at which time the vehicle began to accelerate, unexpectedly. I stepped on the brake to regain control. No accident occurred. This happened a second time upon my return from the local supermarket. In my opinion, the cruise control should return to the OFF mode when the engine is turned off and not remain “On” and ready to “Resume” after the engine has been cycled. The current operating mode is unsafe.

Service break assist light came on 2 days after getting the brand new vehicle. They ended up needing to replace the break Master cylinder

See attached document for complaint.

While driving down I35 South of wellington Ks in our new 2026 Chevy Tahoe we experienced a vehicle shift to neutral and no transmission correction available. Coasted to ditch saw “Service Transmission” notice and so turned off and on engine . Went to Derby Ks and Davis Moore Chevy in Wichita where staff removed the warning service notice on driver info and we continued to Molle Chevy in Blue Springs Mo. where they did diagnostic and only showed ambient air fault!! This is scary! We had no transmission and had to get off road safely! Please let public and our dealers know and recall all vehicles with this problem. We are afraid to drive this new 3,000 mile Chevy Tahoe.