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2008 Hummer H2
Key Replacement - Save vs Dealer in San Diego

Quick Dispatch | Same-Day Keys

Available
2008 Hummer H2 Transponder Key
Transponder Key

Don't wait 3-5 business days at the dealership. EZ Car Keyz gets you back on the road fast. We arrive quickly and have your new key working before your coffee gets cold.

CA BSIS LICENSE LCO#6792
Today Not Thursday Under 1 Hour On Our Way
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2008 Hummer H2 all keys lost solutions from EZ Car Keyz Rancho Santa Fe CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2008 Hummer H2 all keys lost solutions from EZ Car Keyz Rancho Santa Fe CA
Key specialists
Fast Response
Average arrival time: 15-25 minutes
Fixed pricing
Same-Day Service
Call now, get your key today - no waiting days
Fast mobile service
Done in Under 1 Hour
Key cut and programmed in 20-45 minutes
619 Special
10% OFFCODE:EZ-619-2026

🔥 Done in under an hour, save 10% 🔥

Quick keys, quick savings
REDEEM (619) 876-1271

2008 Hummer H2
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Hummer key typeMost Popular
2008 Hummer H2 Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2008 Hummer H2 Remote OUC60270
FCC IDOUC60270Part #15913420Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
New 2008 Hummer H2 key fob when all keys lost from EZ Car Keyz Rancho Santa Fe CA
Skip the Dealer Markup
Professional key, honest rate
New 2008 Hummer H2 key fob when all keys lost from EZ Car Keyz Rancho Santa Fe CA
🔧 PRO TIP
The 2008 H2 runs a transponder key setup shared across the full-size GM truck platform from that era. The key has a chip inside the head that the immobilizer reads every time you turn the ignition. No signal, no start. That part is invisible from the outside, so owners sometimes assume the key is cut wrong when it actually comes down to the transponder not being recognized. The H2 also has a separate remote fob for lock and unlock, which is a completely different system from the ignition transponder. Those two things fail independently. If the car starts fine but the remote is dead, that is a fob issue. If the key turns and the engine cranks but immediately stalls, that is the immobilizer not recognizing the chip. Two different problems, two different fixes.
Related services: Ignition Repair · Smart Key

Hummer H2 Speed Comparison

See how fast we finish vs dealer delays

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
Same-day service vs dealer wait times
Book Service (619) 876-1271

2008 Hummer H2 Transponder Key Replacement - Fast, Affordable & Professional

I got a call from a guy out in Fairbanks Ranch, big iron gate, long driveway, H2 sitting right in front of the garage. He had one key left and it had been through some things. The rubber grip was cracked off the head, the blade was worn, and he was pretty sure the chip inside was on its way out because the engine had started hesitating before it would finally fire. He wanted a spare made before the one working key gave up completely.

That last part matters. A lot of people wait until they are standing in a parking lot with nothing. He did not.

I pulled up, verified the existing key still started the vehicle, and got to work cutting a fresh replacement from scratch. The blade on these keys needs to match the ignition cylinder exactly, and a worn original can sometimes throw off a straight duplication, so I read the cuts carefully before I touched anything. Once the blade was right, I connected to the OBD port and registered the new key to the immobilizer. Tested it cold, tested it again. Started both times without hesitation.

He held up the cracked original and kind of laughed at it. Said he had been meaning to do this for two years. The whole job was done in his driveway, no tow, no dealer appointment, no waiting for parts to be ordered. Fraction of what the dealer wanted, and he walked away with a working spare and peace of mind.

The H2 is not a complicated key job. It just needs the right equipment and someone who has done it before.

Save vs the Dealer on Your Hummer H2 Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (619) 876-1271 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Fairbanks Ranch · Rancho Santa Fe Village · The Bridges · The Crosby

Hummer H2 Rapid Response, Done Right

Rapid response in the field

2008 Hummer H2 Transponder Key
2008 Hummer H2
Transponder Key | Done in Minutes
Estimated arrival time to Rancho Santa Fe
Fast Dispatch
Rapid Arrival
Available Today
Service location Rancho Santa Fe
Rancho Santa Fe
Rapid Service Zone
619 Area
Same-Day Keys (619) 876-1271

Speed That Gets Five Stars

Speed that earns five-star reviews

I
Incognitomlo88
Jul 2025
★★★★★

“Tim was GREAT. I honestly swear he must have had my keys made before he even showed up. The entire process was insanely fast, from the initial phone call to having the keys in my hand. No one will beat the pricing, efficiency, or outstanding service.”

Google Review
K
Kim S.
Jul 2025
★★★★★

“This is the only locksmith anyone should ever call. I am still shocked at how fast he arrived and the price was hundreds less than other quotes I received. Honest, professional, and extremely efficient.”

Google Review
B
Bradley B.
May 2024
★★★★★

“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”

Yelp Review
Watch real savings, real jobs62KFollowers
Emergency 2008 Hummer H2 key replacement review - EZ Car Keyz Rancho Santa Fe CA
“Real savings, real reviews.”
Emergency 2008 Hummer H2 key replacement review - EZ Car Keyz Rancho Santa Fe CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Hummer H2 Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my 2008 Hummer H2 key?
Call a mobile locksmith before you even think about the dealer. The dealer has to order the key, cut it, program it, and you are typically waiting a day or more and paying a premium for the privilege. With me, I come to you in Rancho Santa Fe, cut the key on site, program the transponder chip to your vehicle's immobilizer through the OBD port, and you drive away the same visit. No towing, no appointment lead time, no separate charges for parts and labor. Call for the current price.
How much more does all-keys-lost cost compared to just adding a spare?
Do aftermarket transponder keys actually work on the 2008 H2, or should I stick with OEM-spec?
My 2008 H2 cranks fine but stalls immediately after starting. Could this be the transponder?
I have a working ignition key but my separate remote fob stopped locking and unlocking the doors. Do I need a whole new key?
Questions? Call (619) 876-1271

Hummer H2 Key Service Areas

15-25 min response in most areas

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Lost 2008 Hummer H2 key service coverage in San Diego County CA
Emergency dispatch throughout San Diego County

Same-day service available in all listed cities

Get Help Now (619) 876-1271
Filmed on Location
Hummer H2 car key replacement video
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Fast Hummer H2 Key Replacement

Need your key today? We make it happen. Same-day service, every day, 6 AM to 11:30 PM.

All 2008 Hummer H2 keys lost? Call EZ Car Keyz Rancho Santa Fe CA
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