Blind Spot Detection problems of the 2021 GMC Yukon

Four problems related to blind spot detection have been reported for the 2021 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2021 GMC Yukon based on all problems reported for the 2021 Yukon.

1 Blind Spot Detection problem

Failure Date: 01/22/2025

My vehicle has software that controls the rear gate, cameras, and my safety features for blind spots—seat buzzer to warn of collisions and voice activated phone system. I recently had a safety recall involving my back wheels locking up during driving. I had the recall done by power Chevrolet and it affected my cameras, which I noticed were longer accurate immediately after leaving the dealership. My seat buzzer kept buzzing warning me of a collision due to the cameras inaccuracy. I am unsure if it affected my blind spot warning but my car was unsafe to drive as the safety features fill in many blind spots in this big vehicle. Additionally I had been having issues with my back gate opening when it should not resulting in two stops to close it— one in costco and one on [xxx] outside of philomath, oregon. These are safety issues. To get the software issues resolved, it cost an additional $210 for the updates and my back gate is still not fixed and no solution is offered. My fear is that people will be unaware their cameras or safety features are no longer properly calibrated and hit something or even worse, be unable to pay for software updates to make these features functional resulting in more crashes. I was unaware of the software updates ( I did all updates GMC pushed) needed to be done and this just continues on with more software updates to be released requiring future payments. I bought this car new and this was not disclosed or even discussed. GMC can push down updates that make other updates necessary and be an unending source of revenue for them. Oregon just passed a right to repair law but cars are exempt. This will result in unsafe vehicles on the road. My oil change cost me $350 with $210 the software updates. What were these safety related updates not done as recalls? information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

2 Blind Spot Detection problem

Failure Date: 04/20/2022

The vehicle had a total failure of its rear safety package which includes blind spot monitoring, rear cross traffic alert, rear parking sensors and rear safety alert. The warning illuminated on the dash that all of these functions were offline and service was needed. We took the Yukon to a gm dealer and they replaced a computer and had a hard time getting it to program. This failure also affected the hvac system in the car, with the fan staying on high. After 23 days of service, the dealer thought they fixed it. After two weeks of having the vehicle back the same alert came on 5-6 times in the same day, with another safety package failure. Now the alert doesn’t come on but none of those safety features work, they are all offline. It is bad enough driving a 20’ long vehicle without the safety package working, but now it is worse in that the car doesn’t alert you to the fact it isn’t working and you might not remember that it is defective. This could cause a collision on the highway or result in the driver backing into something or someone, relying on this technology.

3 Blind Spot Detection problem

Failure Date: 03/10/2022

My blind spot warning light and signal doesnt work all the time. For example, if a pass a car, or a car passes me at a speed of more than 5 miles per hour, there is no notification from the blind spot warning light in the mirror, or an audalble signale either. I have taken the car to the GMC dealership 3 times and I was told that is normal, and nothing is wrong. I own other GMC models and I have never experianced this intermitant issue.

4 Blind Spot Detection problem

Failure Date: 01/13/2021

I've owned over a dozen gm trucks over the last 20+ years and this model is the worst ever! my complaint: gm took away the turn signal lights on the side mirrors. The turn signal indicators on the dash are too small and located with many other lights/indicators, so they cannot be seen quickly nor 'easily' and can't be heard under normal traffic conditions. This creates an incredibly dangerous situation with driver distraction trying to see if a turn signal has been activated and increases the risk of vehicles next to the truck not expecting a lane change if they are ahead of the tail lights. Numerous times over the past few weeks I've owned this vehicle, I've almost run into adjacent vehicles I couldn't 'see' because the blind spot warning system does not detect vehicles well enough to avoid turning into them and also because I was distracted trying to see the turn indicator on the dashboard, ook into the side mirrors and watch my distance to cars in front of me. The turn signal indicators on the mirrors on the prior model significantly reduced driver distractions and increased safety to the driver, passengers and adjacent vehicles. Gm must be held accountable for removing safety features! they must be forced to replace the mirrors with ones that have turn signal indicators in them like on prior model years. If it's not a safety issue, why did they have the indicators in the mirrors before?? removing the mirror signal lights was obviously a sick way for gm to save a few dollars with intended disregard for the safety of it's owners, passengers and everyone else on the road. These problems exist when the vehicle is stopped (blind spot issues), turning, changing lanes and moving on every type of roadway, but especially at highway speeds where hundreds of feet are traveled in only a few seconds, and distractions become even more unsafe and dangerous to everyone.


Other Lane Departure related problems of the 2021 GMC Yukon

Blind Spot Detection problems
4
Lane Keep Automatic Steering problems
1


Safety Ratings of Yukon Cars
Fuel Economy of Yukon Vehicles
Yukon Service Bulletins
Yukon Safety Recalls
Yukon Defect Investigations