VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
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Fast Response Locksmith

2017 Nissan Sentra
Key Replacement - Save vs Dealer in Ventura County

Emergency? | On Our Way

Available
2017 Nissan Sentra Smart Key
Smart Key

Whether you lost your only key, it was stolen, or it just stopped working, we handle it. No existing key needed. Our technicians program new keys directly to your vehicle's computer.

CA BSIS LICENSE LCO#6792
All Keys Gone? Call Start From Scratch Emergency Ready
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2017 Nissan Sentra key replacement info - no tow needed - EZ Car Keyz Santa Barbara CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2017 Nissan Sentra key replacement info - no tow needed - EZ Car Keyz Santa Barbara CA
Key specialists
Zero Keys Needed
We program directly to your vehicle's computer
Fixed pricing
On-Site Key Cutting
New key cut from vehicle codes, not from a copy
Fast mobile service
Fast Recovery
Back on the road in 30-45 minutes from arrival
805 Special
10% OFFCODE:EZ-805-2026

🔥 From zero keys to savings 🔥

Valid on urgent & same-day requests
REDEEM (805) 790-8162

2017 Nissan Sentra
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Nissan key typeMost Popular
2017 Nissan Sentra Smart Key CWTWB1U840
FCC IDCWTWB1U840Part #285E3-3SG0DButtons5BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2017 Nissan Sentra Transponder Key NI04-PT
FCC IDNI04-PTPart #K-NI04TButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2017 Nissan Sentra Remote KBRASTU15
FCC IDKBRASTU15Part #28268-5Y701Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency Key
2017 Nissan Sentra Emergency Key
FCC IDPart #NI06ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2017 Nissan Sentra MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2017 Nissan Sentra key fob cut and delivered to you in Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
2017 Nissan Sentra key fob cut and delivered to you in Santa Barbara CA
🔧 PRO TIP
The 2017 Sentra SL and SR trims run the Intelligent Key system with push-button start, using the CWTWB1U840 fob and a CR2032 battery. A dying CR2032 throws "No Key Detected" or "Key ID Incorrect" on the dash and kills the push-button range before anything else goes wrong. But here is the part people miss: the 2017 Sentra uses the NATS5a (Nissan Anti-Theft System, generation 5a) immobilizer with a PCF7953M hitag-AES transponder chip inside the fob. That chip talks to the BCM (body control module, part number 284B2-9AM0A on many B17 Sentras) through a proximity antenna loop, not through the steering column coil like older NATS4 cars. So if the fob battery tests fine and you still get "Key ID Incorrect," the problem is usually the antenna amplifier or a BCM issue, not the fob itself.
Related services: Ignition Repair · Smart Key

Nissan Sentra Emergency Response vs Dealer

No spare key? See your best path forward

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
New key made on the spot, no original required
Book Service (805) 790-8162

2017 Nissan Sentra Smart Key Replacement - Fast, Affordable & Professional

A mobile dog groomer had her 2017 Sentra SL parked near the vacuum stalls at a car wash off Arroyo Burro Beach in Santa Barbara. She called me because her only Intelligent Key had stopped working that morning. Push button would not respond. Dash just showed "Key ID Incorrect" over and over.

She had already called the Nissan dealer. They told her she needed to tow the car in, leave it for a diagnostic appointment, and come back in about a week. She asked a friend instead. The friend told her the same thing. Then she searched around and found me.

I got there that evening. Popped the back cover off the CWTWB1U840 fob on the hood of her car. The CR2032 was so dead my multimeter barely picked up 1.2 volts. Swapped it, held the fob to the start button, and the car fired right up. That told me the fob internals and the PCF7953M chip were fine, just starved for power.

But she also needed a spare. She had been running on one key for two years. I generated a new Intelligent Key, programmed it through the OBD-II port to the BCM, and tested all five buttons on both fobs. Lock, unlock, trunk, panic, remote start. Walked the perimeter checking proximity detection at every door handle.

She loaded her grooming tubs in the back and left. The whole thing took about 25 minutes. Her car does not know or care whether that key came from a dealer bay or a car wash parking lot. The NATS5a handshake is identical either way.

Save vs the Dealer on Your Nissan Sentra 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
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Downtown Santa Barbara · Eastside Sb · Funk Zone · Hope Ranch

Nissan Sentra Rapid Response, Done Right

Rapid response in the field

2017 Nissan Sentra key replaced in your driveway in Santa Barbara CA
Smart Key | Rapid On-Site Service
2017 Nissan Sentra | Ventura County
2017 Nissan Sentra key replaced in your driveway in Santa Barbara CA
2017 Nissan Sentra Smart Key
2017 Nissan Sentra
Smart Key | Rescue Key
Estimated arrival time to Santa Barbara
Priority ETA
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
Help Is Close
805 Area
Same-Day Keys (805) 790-8162

Stranded to Grateful

From no keys to no worries

E
Ezra M.
Oct 2025
★★★★★

“I needed a new key for my car and Marco gave me the best quote by far. He showed up, made the new key on the spot, and everything works perfectly. Fast service and great value.”

Google Review
F
Felipe P.
Oct 2025
★★★★★

“Quick, affordable, and professional service. Marco made a new key for my motorcycle after I lost it and had me back on the road fast. Clean work, great price, and super friendly.”

Google Review
A
Alexx C.
Dec 2025
★★★★★

“I needed a car key replacement in Hillcrest and EZ Car Keyz helped me immediately. The technician programmed a new smart key right next to my car and tested every function before leaving. Fast, friendly, and very professional.”

Google Review
Watch real savings, real jobs62KFollowers
Locksmith came to me for 2017 Nissan Sentra key - EZ Car Keyz Santa Barbara CA review
“Real savings, real reviews.”
Locksmith came to me for 2017 Nissan Sentra key - EZ Car Keyz Santa Barbara CA review
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Nissan Sentra Mobile Service FAQ

Real costs, no dealer surprises

What if I need a replacement Nissan Intelligent Key after hours or on a weekend?
Most Nissan dealer service departments close by 5 PM on weekdays and stay dark on Sundays. If your only CWTWB1U840 fob dies on a Saturday evening near Arroyo Burro Beach, the dealer cannot help you until Monday at the earliest, and that is before you factor in their appointment backlog. Nissan forums are full of owners stuck for days waiting on a service slot just to program a fob. I work outside normal dealer hours in Santa Barbara, so one call can get you a same-evening or next-morning appointment depending on when you reach out.
How long does it take to program a new smart key for my 2017 Sentra once you arrive?
Can you really program a Nissan smart key just as well as the dealer?
My 2017 Sentra dash says "Key ID Incorrect" but the fob battery is new. What is going on?
I bought a CWTWB1U840 fob online. Can I program it to my 2017 Sentra myself?
Questions? Call (805) 790-8162

Nissan Sentra Key Service Areas

No key, any city, no problem

📍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
Doorstep 2017 Nissan Sentra locksmith coverage across Ventura County CA
Doorstep 2017 Nissan Sentra locksmith coverage across Ventura County CA
Stranded in Ventura County? We respond fast

Lost your keys? We’ll come to wherever the car is

SOS Call (805) 790-8162
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Nissan Sentra car key replacement video
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Need a Nissan Sentra Key ASAP?

Stranded with zero keys? Call now. We come to you and have you driving in under an hour.

Skip the dealer for 2017 Nissan Sentra car key - EZ Car Keyz Santa Barbara CA
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Ventura County