Does your GM SUV forget your head-up display settings every time you shut it off? You are not imagining things, and you are not alone. General Motors has opened an official investigation into the problem, and it covers a huge swath of the company’s most popular SUVs.
GM published Preliminary Information bulletin PIT6520, “Radio and HUD Not Holding Settings,” in June 2026. The document, sent to dealership technicians across North America, confirms what owners have been reporting: the head-up display (HUD) on certain 2024-2026 model year vehicles does not retain its previous settings after a key cycle. Adjust the HUD the way you like it, park the truck, come back, and your settings are gone.
Which Vehicles Are Affected?
The bulletin casts a wide net. Every affected vehicle rides on one of GM’s newest SUV platforms, and the common thread is RPO code UV6, which is GM’s build code for the head-up display option. If your SUV does not have a HUD, this bulletin does not apply to you.
That list covers all engines and all transmissions, with no VIN breakpoints. In plain English: if you own a refreshed 2025-2026 Chevrolet Tahoe or Suburban, a 2025-2026 GMC Yukon or Yukon XL, a 2025-2026 Cadillac Escalade, or a current-generation 2024-2026 Chevrolet Traverse, GMC Acadia, or Buick Enclave with the head-up display, you are in the affected population.
What the Bulletin Says
Here is the condition, straight from the bulletin: “A customer may comment the HUD (Head Up Display) does not retain previous setting after a key cycle.” The cause line is refreshingly honest: “Engineering is currently investigating.”
In other words, GM knows the problem is real, but it does not yet know why it happens. There is no fix to install today. In fact, the bulletin explicitly tells technicians not to throw parts at the problem:
- Do not replace or reprogram any parts. Swapping modules will not cure this one, and the bulletin says so in plain language.
- Keep driving. Dealers are instructed to advise customers that the vehicle is safe to continue driving while engineering works the issue.
- A real fix is coming. GM says this Preliminary Information bulletin will be updated or replaced with a full Technical Service Bulletin (TSB) once engineering makes a determination.
A quick decoder for anyone new to service documents: a PI (Preliminary Information) bulletin is GM’s early heads-up to dealer technicians while a problem is still under active investigation. It is a step below a full TSB, which arrives once a validated repair procedure exists. We track both in our TSB coverage archive.
What Should Owners Do Right Now?
If your HUD keeps resetting, our advice is simple: get it on paper. Take the vehicle to your dealer, describe the symptom, and have them open a repair order that references PIT6520. The bulletin includes a dedicated warranty labor operation (code 3481578, 0.2 hours) just for verifying the HUD settings complaint under bumper-to-bumper coverage, so a documented visit costs you nothing on an in-warranty vehicle.
Why bother if there is no fix yet? Because a dated repair order establishes that your complaint started under warranty. If the eventual repair lands after your bumper-to-bumper coverage expires, that paper trail is your best friend.
The good news is that this looks like a software memory glitch, not a hardware failure. The HUD itself works fine; it just develops amnesia between drives. Annoying, absolutely. Dangerous, no. And based on the wording of the bulletin, we expect the permanent fix to arrive as a software update rather than replacement hardware, though GM has not confirmed that yet.
We will keep an eye on this one and report back when PIT6520 graduates into a full TSB with an actual repair.
Join the Discussion
Is your HUD losing its memory? Compare notes with thousands of fellow owners in the GM-Trucks.com forums. Full-size SUV owners should head to the 2021-2026 Tahoe, Suburban, Yukon and Escalade forum, while Traverse, Acadia, and Enclave owners can join the conversation in the 2024+ Traverse, Acadia and Enclave forum.
Zane Merva is the Executive Editor of GM-Trucks.com and the President of the New England Motor Press Association (NEMPA). A veteran automotive journalist with over 26 years of experience, Zane is a designated ‘Car Talk’ Expert and has been a contributor to The Boston Globe. He possesses a unique evaluative perspective, having road-tested more than 2,000 vehicles across every major manufacturer. While he is a recognized authority on General Motors truck platforms—including the Silverado, Sierra, and Colorado—his expertise is grounded in decades of deep competitive analysis that few in the industry can match. His commentary has been featured by major OEMs and media outlets, including Hyundai and PR Newswire