VENTURA COUNTY
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2009 Audi A4
Key Replacement - Save vs Dealer in Ventura County

No Appointments | No Waiting Rooms

Available
2009 Audi A4 Smart Key
Smart Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
We Bring the Shop No Dealer Visit Roadside OK
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Certified 2009 Audi A4 key replacement info from EZ Car Keyz Santa Barbara CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Certified 2009 Audi A4 key replacement info from EZ Car Keyz Santa Barbara CA
Key specialists
Mobile Service
Our van carries everything - no shop visit needed
Fixed pricing
On Your Schedule
Same-day appointments, 7 days a week
Fast mobile service
One-Visit Solution
Key cut and programmed in a single visit
805 Special
10% OFFCODE:EZ-805-2026

🔥 No towing, no hassle, just savings 🔥

Good for any on-site key service
REDEEM (805) 790-8162

2009 Audi A4
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Audi key typeMost Popular
2009 Audi A4 Smart Key IYZFBSB802
FCC IDIYZFBSB802Part #8T0959754GButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2009 Audi A4 Remote Flip Key NBG009272T
FCC IDNBG009272TPart #8P0 837 220 EButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Flip Key
2009 Audi A4 Remote Flip Key IYZ3314
FCC IDIYZ3314Part #4F0837220Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2009 Audi A4 Smart Key
FCC IDPart #A2016060701ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2009 Audi A4
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
OEM quality 2009 Audi A4 key fob from EZ Car Keyz Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
OEM quality 2009 Audi A4 key fob from EZ Car Keyz Santa Barbara CA
🔧 PRO TIP
The 2009 A4 is the first year of Audi's B8 platform, and it moved from the older cluster-based immobilizer to the BCM2 module (also called the 5th-gen immobilizer). The smart key, FCC ID IYZFBSB802, runs a Megamos 48 crypto chip (CAN protocol variant) and an HU66 emergency insert blade. A dying CR2032 won't just kill the remote. It can drop comfort access range to almost nothing and throw "Key not valid" on the dash, which looks like a dead immobilizer but isn't. Swap the CR2032 first. Always.
Related services: Ignition Repair · Smart Key

Audi A4 Key: Mobile vs Dealership

Two options, one clear winner

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
We bring the shop to you
Book Service (805) 790-8162

2009 Audi A4 Smart Key Replacement - Fast, Affordable & Professional

A guy near Alice Keck Park Memorial Garden in Santa Barbara found me through my YouTube channel. He had been watching my Audi smart key videos for a while, so when his 2009 A4 started acting up, he already had my number saved.

His complaint was classic B8 comfort access trouble. The door handles would not respond to touch unlock about half the time, and the remote range had shrunk to almost nothing. He had to hold the fob against the steering column to get a start. He thought the BCM2 was going bad.

I tested his IYZFBSB802 fob on the hood. CR2032 was original, voltage was sitting around 2.6V, which is low enough to explain everything. Swapped in a fresh cell and the remote range came back immediately. But the comfort access still dropped out on the driver door.

That part was not the fob. The B8 A4 has a known issue with the comfort access antenna in the door handle wiring. His driver side handle sensor was intermittent. I verified it by testing the passenger side, which responded every time.

I programmed him a spare IYZFBSB802 with my VVDI Key Tool, wrote the Megamos 48 CAN transponder data, cut the HU66 insert blade, and registered everything through the OBD port. Both fobs tested on all four buttons, start tested three times, range checked from across the parking area.

He still needs a door handle antenna fix for that driver side, but at least now he has a working spare and knows the BCM2 is fine. A dealer would have had him tow it in and start quoting module replacements before checking a battery.

Save vs the Dealer on Your Audi A4 Key

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

Get Pricing (805) 790-8162 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
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Also serving: Downtown Santa Barbara · Eastside Sb · Funk Zone · Hope Ranch

Audi A4 Rapid Response, Done Right

Rapid response in the field

Licensed locksmith replacing 2009 Audi A4 key in Santa Barbara CA
Smart Key | Rapid On-Site Service
2009 Audi A4 | Ventura County
Licensed locksmith replacing 2009 Audi A4 key in Santa Barbara CA
2009 Audi A4 Smart Key
2009 Audi A4
Smart Key | Made at Your Door
Estimated arrival time to Santa Barbara
We Come to You
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
We Come Here
805 Area
Same-Day Keys (805) 790-8162

Home Service, Honest Reviews

What no-hassle service sounds like

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
5-star review of 2009 Audi A4 key service by EZ Car Keyz Santa Barbara CA
“Real savings, real reviews.”
5-star review of 2009 Audi A4 key service by EZ Car Keyz Santa Barbara CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Audi A4 Mobile Service FAQ

Real costs, no dealer surprises

I lost all my keys for my 2009 Audi A4. Can you still make a new one?
Yep. All-keys-lost on BCM2 Audis is a standard job for us. I access the BCM2 module, pull the security data, generate fresh Megamos 48 CAN transponder credentials, and program new IYZFBSB802 fobs through the diagnostic port. The old lost keys get wiped out of the system so they can't start or unlock anything. Audi dealers want the car towed in, and the turnaround can be days between ordering the key, getting authorization from Audi HQ, and scheduling the programming appointment. I handle it same-day at your location for a fraction of what they charge.
Do I need to tow my 2009 A4 to the dealer if I have no working key?
How long does an all-keys-lost replacement take on the 2009 A4?
My 2009 A4 dash shows "Key not valid" but the key used to work fine. What happened?
Can I buy an IYZFBSB802 fob online and program it myself to save money?
Questions? Call (805) 790-8162

Audi A4 Key Service Areas

We cover your area

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Licensed 2009 Audi A4 locksmith service area in Ventura County CA
Licensed 2009 Audi A4 locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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Audi A4 car key replacement video
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We Bring the Key to You

We bring the entire shop to your location. Every tool, every blank, every piece of equipment.

Trusted 2009 Audi A4 locksmith service by EZ Car Keyz Santa Barbara CA
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