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ProblemsByVin File / 2010-HUMMER-H3 NHTSA data synced 3 days ago
2010 · Hummer

Hummer H3 problems

2 active recall campaigns on file, only 7 owner complaints in the NHTSA database. Often that means the recall caught it before the field did.

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Reliability score
Not rated

Limited NHTSA data — only 7 complaints on file. The score reflects what's reported, but a small sample skews easily. 2 active recalls on file.

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Critical
2
Severe
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Moderate
Should you avoid this 2010 H3?
Not enough data for a verdict

Only 7 NHTSA complaints on file — too few for a confident call. The 2 active recalls above remain authoritative; read those first.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

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Top trouble spots 1 category with 3+ complaints

electrical
4 reports · fails ~72,583 mi · avg $850
severe
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2010 H3's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2010 H3?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2010 H3 · electrical
The vehicle sometimes will not start due to a problem with the security sensor in the ignition switch. This is when starting up the vehicle and will only periodically occur. The security system light comes on and you have to wait 10 minutes to start the vehicle, then it…
11/14/2018 · at 107,000 mi · NHTSA ODI #11151401.0 · see electrical pattern →
2010 H3 · electrical
Tl* the contact owns a 2010 Hummer h3. On many occasions, the vehicle would not immediately start and the security indicator illuminated. The vehicle had been serviced for the same failure many times at maritime motors (985 post rd, fairfield, ct). The fuel pump, alternator, and…
2010 H3 · visibility
Sun glare reflects off the chrome part placed on the engine hood and quickly blinds the driver for short periods of time causing very dangerous road driving conditions. *tr
08/10/2010 · NHTSA ODI #10348480.0
2010 H3 · electrical
I was driving home and the fan on the a/c stopped working. Shortly afterward I detected a burning odor. I ended up replacing the resistor and wiring harness for the a/c blower motor. The resistor was burnt and the harness wire was slightly melted. I am concerned about the…
06/29/2013 · at 80,300 mi · NHTSA ODI #10522410.0 · see electrical pattern →
View all 7 owner complaints →
Had a problem with your 2010 Hummer H3? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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At 80,000 miles
Likely repair cost in next 24 months
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Active recalls showing 2 of 2

severe NHTSA 10V179000 April 30, 2010

Gm is recalling certain model year 2006 through 2010 Hummer h3 vehicles

If the vehicle is being driving when this occurs, it could strike a following vehicle and cause injury and/or property damage.

Fix: Dealers will apply an adhesive to the hood louver to secure it to the hood. This service will be performed free of charge. The safety recall began on april 12, 2010. Owners may contact Hummer at 800-732-5493 or at the owner center at www.gmownercenter.com.
severe NHTSA 15V421000 July 1, 2015

General Motors LLC (GM) is recalling certain model year 2006-2010 Hummer H3 vehicles manufactured February 5, 2005, to May 24, 2010, and 2009-2010 Hummer H3T vehicles manufactured May 21, 2008, to May 24, 2010

If the blower motor connector module overheats, it can increase the risk of a fire.

Fix: GM will notify owners, and dealers will replace part of the blower motor connector and harness, free of charge. The recall began February 26, 2016. Owners may contact Hummer customer service at 1-800-732-5493. GM's number for this recall is 15042.

Common questions

Is the 2010 Hummer H3 reliable?

Limited NHTSA data. Only 7 owner complaints have been filed for the 2010 Hummer H3, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.

Should you avoid the 2010 Hummer H3?

Only 7 NHTSA complaints on file — too few for a confident call. The 2 active recalls above remain authoritative; read those first. We don't issue a buy/avoid verdict on the 2010 Hummer H3 without a meaningful complaint sample — doing so off a handful of filings would be guesswork.

What should I check before buying a used 2010 Hummer H3?

There isn't enough NHTSA complaint data on the 2010 Hummer H3 to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.

Is the 2010 Hummer H3 a good used car to buy?

Hard to say from federal data alone — only 7 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.

What's the most common problem on the 2010 Hummer H3?

Based on NHTSA records, the most-reported issue is electrical, with 4 complaints filed. Typical failure occurs around 72,583 miles. Average repair cost runs about $850 at an independent shop.

What's the most expensive thing that goes wrong?

The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 72,583 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Hummer H3 has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2010 Hummer H3?

Hard to say from NHTSA data alone with only 7 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 3 days ago. Verify the raw federal record at nhtsa.gov/vehicle/2010/Hummer/H3. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Hummer. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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