If you own or are shopping for a GMC Hummer EV, you’ve probably heard about recalls and water‑related issues. This GMC Hummer EV recalls list pulls together the major campaigns through early 2026 and explains, in plain language, what each one means for your safety and your wallet, especially if you’re looking at a used Hummer EV.
Quick context
Overview: GMC Hummer EV recalls list at a glance
GMC Hummer EV recalls at a glance (through early 2026)
The GMC Hummer EV recalls list is still relatively short compared with long‑running models, but the issues are important. Early trucks saw high‑voltage battery sealing and water intrusion problems; newer 2026 pickups and SUVs have a front passenger airbag wiring recall that could affect deployment in a crash. On top of that, GMC has released several service bulletins and customer‑satisfaction programs to address water leaks around the A‑pillars and roof panels.
Safety first
Major GMC Hummer EV recalls, by issue
Key GMC Hummer EV recalls and campaigns (simplified)
This table summarizes the major safety recalls and widely discussed service actions affecting GMC Hummer EV pickups and SUVs through early 2026. Exact VIN eligibility always depends on build date.
| Issue / campaign | Approx. model years | Type | Main risk | Typical dealer remedy |
|---|---|---|---|---|
| High‑voltage battery pack seal may allow water intrusion | Primarily 2022 Hummer EV Pickup (early build) | Safety recall (battery / high voltage) | Loss of power to wheels, no‑start condition in severe cases | Inspect battery pack sealing, apply revised sealing procedure or replace components as specified by GM |
| Battery connector / high‑voltage connector corrosion (water intrusion risk) | Early 2022 Hummer EV Pickup | Customer Satisfaction Program (voluntary) | Potential electrical faults, warning messages; treated as quality issue, not formal safety defect | Apply additional sealant to high‑voltage connector and inspect for corrosion |
| Water leak at A‑pillar affecting door electronics | Early 2022 Hummer EV Pickup | Technical Service Bulletin / CSP | Window, mirror, and lock malfunctions; possible warning messages | Water‑test, inspect wiring and connectors, repair/replace as needed, reseal A‑pillar area |
| Infinity Roof center panel water leak | 2022 Hummer EV Pickup | Service bulletin | Water leaks into cabin through roof panels | Replace center roof lift‑off panel assemblies and updated weatherstrips |
| Front passenger airbag wiring harness may be improperly crimped | 2026 Hummer EV Pickup & SUV (limited build window) | Safety recall (airbag) | Front passenger airbag may not deploy as intended in some crashes | Install jumper harness / updated harness with properly crimped connectors |
Use this as a starting point, then confirm specifics with a VIN lookup.
The table gives you a high‑level GMC Hummer EV recalls list, but the real takeaway is this: water management and electrical integrity have been the truck’s early growing pains, followed by a more traditional wiring‑related airbag recall. None of these are unusual for a first‑generation, low‑volume flagship, but they do underline why it’s critical to confirm recall completion before you sign for a used Hummer EV.
Battery and water‑intrusion recalls on the Hummer EV
Water and electricity are a bad mix in any vehicle, but they’re especially important on an EV with a massive high‑voltage battery pack like the Hummer. Early 2022 pickups built on GM’s Ultium platform saw two kinds of water‑related concerns: direct battery‑pack sealing issues that rose to the level of a safety recall, and additional water‑intrusion problems handled through Customer Satisfaction Programs and service bulletins.
- High‑voltage battery pack sealing recall: On a small number of early trucks, the battery enclosure may not be sealed correctly, allowing water to enter. GM treats this as a safety recall because, in extreme cases, it can lead to a no‑start condition or loss of drive power.
- High‑voltage connector corrosion CSP: Separately, a voluntary program asked owners to bring vehicles in so technicians could add sealant to a high‑voltage connector that might otherwise corrode and admit moisture.
- A‑pillar water leaks: Poor sealing near the upper A‑pillar allowed water to drip on door‑module wiring, causing power‑window, mirror, and lock issues, and random warning messages. Dealers test for leaks, replace affected connectors, and reseal the body seam.
- Infinity Roof water leaks: Many early 2022 trucks with the Infinity Roof saw drips from the center lift‑off panels. GM’s later bulletin replaces the center roof panel assembly and rear panel weatherstrip with updated parts.
Owner tip for water issues
2026 GMC Hummer EV airbag recall: what’s going on?
The most recent and highest‑profile item on the GMC Hummer EV recalls list is a front passenger airbag recall on certain 2026 Hummer EV pickups and SUVs. Roughly the mid‑2025 production run for the 2026 model year used a manually crimped wire‑harness process at a supplier. Some of those crimps may not meet spec, and in a crash, the front passenger airbag could fail to deploy as intended.
2026 Hummer EV airbag recall details
What affected owners should know
What’s the risk?
An improper wire crimp in the instrument‑panel harness can interrupt signals to the front passenger airbag. In certain frontal crashes, that bag may not deploy, increasing injury risk to a front passenger.
Which trucks?
The recall applies to a limited batch of 2026 Hummer EV pickups and SUVs built in mid‑2025. The only way to know for sure is to run a VIN check with GMC or NHTSA.
Dealer fix
Dealers install a jumper harness with properly crimped connectors. The repair is free, and notification letters began going out late in 2025.
Do not delay this repair
Other common Hummer EV service campaigns and bulletins
Beyond the formal GMC Hummer EV recalls list, there’s a parallel universe of Technical Service Bulletins (TSBs) and Customer Satisfaction Programs (CSPs). These aren’t always labeled as “recalls,” but they’re still important for reliability and resale value, especially if you’re buying used.
Non‑recall issues Hummer EV owners should ask about
Roof panel water‑leak fixes
Ask whether the truck has had updated Infinity Roof panels and weatherstrips installed, especially on 2022 pickups. A quiet, dry cabin is more than just comfort, it protects interior electronics, too.
A‑pillar electrical moisture repairs
Confirm that any TSBs addressing water leaks at the A‑pillar and door‑module connectors have been completed. These fixes can prevent nuisance warning lights and power‑window or mirror failures.
High‑voltage connector sealing CSP
On early trucks, GM directed dealers to inspect and reseal certain high‑voltage connectors. This may not appear as a formal recall, but it’s worth verifying in the service history.
Software and calibration updates
The Hummer EV’s drive systems and adaptive features rely heavily on software. Make sure the truck has received the latest calibration updates for charging, ride height, and driver‑assistance systems.
Roof‑panel alignment and wind noise
Some owners report wind noise and squeaks from the removable roof panels. Updated parts and adjustment procedures can improve this, and they’re a sign the truck’s been cared for.
Good news for used buyers
How to check if your Hummer EV has an open recall
Whether you already own a Hummer EV or you’re sizing up a used one, you should always run a VIN‑based recall check. It’s fast, free, and it removes a lot of guesswork from the process.
Three ways to check recalls on a Hummer EV
Use more than one for peace of mind
NHTSA recall lookup
Visit the official NHTSA recall site and enter the 17‑digit VIN. You’ll see all federal safety recalls that are open or completed on that vehicle in the U.S.
GM / GMC owner portals
GM’s and GMC’s owner sites and apps let you log in, add your vehicle, and view brand‑specific recalls, CSPs, and TSBs. This can reveal additional non‑NHTSA campaigns.
Service records from the seller
Ask any dealer or private seller for printouts of completed recall and campaign work. Compare these with the VIN lookups to confirm everything lines up.
Step‑by‑step: checking a Hummer EV for open recalls before you buy
1. Get the full 17‑digit VIN
Take it from the dash, door jamb, or seller’s paperwork. Don’t rely on a partial VIN or stock number.
2. Run the NHTSA lookup
Enter the VIN on the NHTSA site to see any <strong>open federal safety recalls</strong>, including the airbag and high‑voltage battery campaigns.
3. Ask for dealer service history
If you’re at a franchise GMC store, they can print internal records showing completed recalls, CSPs, and TSB repairs by VIN.
4. Cross‑check dates and mileage
Review when the work was done and at what mileage. Recent, comprehensive service is a reassuring sign on a complex EV like the Hummer.
5. Build recall timing into your deal
If an open recall exists, you can either insist it be completed before delivery or negotiate a purchase contingent on the recall repair.
How Recharged handles recalls
Should these recalls stop you from buying a used Hummer EV?
The honest answer: not necessarily. The GMC Hummer EV recalls list is short but serious, and it reflects the realities of launching a brand‑new, heavy, high‑performance EV on a brand‑new platform. What matters most is how each individual truck has been maintained and updated over time.
Reasons not to panic
- Recalls are fixes, not fatal flaws. GM has identified specific issues and prescribed remedies, often long before most owners see a problem.
- Repairs are free. Safety‑recall work is covered by the manufacturer, and many related CSPs and TSBs are handled under warranty.
- Early builds often improve with updates. Roof seals, battery connectors, and software calibrations are all areas where later parts and procedures tend to be better than the originals.
Reasons to be selective
- Complex trucks age best with attentive owners. A Hummer EV that’s ignored recalls and skipped service visits is riskier than one with detailed records.
- Water intrusion can be cumulative. If leaks were left unaddressed for years, hidden corrosion may not be obvious at a quick glance.
- Battery repairs can be time‑consuming. Even if warranty covers the cost, major high‑voltage work might sideline the truck for weeks.
How recalls fit into total ownership cost
Used Hummer EV buying checklist: recalls, battery, and more
If you’re evaluating a used Hummer EV, whether at a GMC store, an independent dealer, or online, treat recalls as one piece of a broader inspection picture. Here’s a practical checklist for keeping the odds in your favor.
Hummer EV pre‑purchase checklist
Confirm recall and CSP completion
Use the VIN steps above and insist on documentation for all relevant recalls and major service campaigns, particularly battery sealing and the 2026 airbag harness recall.
Review battery health and charging history
Ask for any available battery‑health reports, DC‑fast‑charging history, and warranty repairs. With Recharged, every vehicle comes with a <strong>Recharged Score</strong> and battery‑health diagnostics so you’re not buying blind.
Inspect for water leaks and odors
Check the headliner, roof panels, A‑pillar trim, and floor carpets for stains or musty smell. Water issues that were fixed late can still leave cosmetic clues.
Road‑test electronics thoroughly
Cycle windows, mirrors, power locks, roof panel switches, drive modes, and driver‑assist features. Watch for intermittent glitches that might point to lingering moisture or wiring issues.
Look underneath for corrosion
Have a trusted shop or inspection service look at underbody connectors, suspension hardware, and battery‑pack surfaces for unusual rust or staining.
Verify updates and warranties
Confirm remaining factory warranties and any extended coverage. Ask the seller to show that key software and calibration updates have been completed.
Why shop a used Hummer EV through Recharged?
FAQ: GMC Hummer EV recalls and ownership
Frequently asked questions about GMC Hummer EV recalls
Bottom line: how worried should you be?
The GMC Hummer EV is a headline‑grabbing truck built on a brand‑new EV platform, and its early years were always going to come with some recalls and running changes. The existing GMC Hummer EV recalls list highlights predictable trouble spots, battery sealing, water management, and complex wiring, rather than a fundamental design flaw in the truck’s mission.
If you already own one, your job is simple: stay current on recalls, CSPs, and software updates, and treat water‑related symptoms promptly instead of waiting for them to escalate. If you’re shopping used, focus less on whether a particular Hummer EV has ever been recalled and more on how completely and how recently those campaigns were handled.
And if you’d rather not navigate that alone, a specialized used‑EV retailer like Recharged can help you interpret recall history, verify battery health with a Recharged Score Report, line up financing and trade‑in options, and even arrange nationwide delivery, so you get the larger‑than‑life Hummer EV experience with far fewer surprises.
