How NSX Key Security Evolved
NA1 (3.0L V6)
Your first gen NSX uses a transponder key with a Honda immobilizer system. There is no remote, no fob battery, and no push button start. Just a high-security blade with a chip that talks to your ECU. Programming requires Honda PIN extraction and diagnostic tools; this is not a DIY job.
NA2 (3.2L V6)
Your NA2 got the bigger 3.2L engine, but the key system stayed the same. Still a transponder key with a high-security blade and Honda immobilizer. Same programming process, same tools required. The consistency is actually a good thing because it means parts availability is solid across the entire first-generation run.
Which Key Does Your NSX Use?
A metal key with a thick plastic head containing a transponder chip. No buttons, no remote. You insert it in the ignition and the chip communicates with the immobilizer to let the engine start.
Same style as the NA1 key. High-security blade with a transponder chip in the head. No remote functions built in. If your NSX has aftermarket keyless entry, that remote is separate from the ignition key.
NSX Key Cost Breakdown
Price includes key blank, high-security blade cutting, transponder chip programming, and on-site service anywhere in Ventura County.
Us vs. the Dealer
We bring the shop to your driveway. No tow truck, no waiting room, no three-day hold on your NSX.
Common NSX Key Problems
Transponder Chip Failure
First check: is your transponder still communicating with the immobilizer? On a car this old, the chip in the key head degrades and stops sending its signal. If engine cranks but will not fire, transponder failure is most likely. We verify on the spot.
Immobilizer ECU Fault
NSX owners assume a no-start means a bad key. But on 2000-2005 models the immobilizer control unit develops faults from years of engine bay heat. We test the key first. If it checks out, the ECU is next, and we tell you what is going on.
High Security Blade Wear
Key feels harder to turn in the ignition or sticks in the door cylinder. Blade wear. The NSX uses a high-security blade that wears with years of daily use, and a worn blade can lock you out in a Thousand Oaks lot. We laser-cut from the original code.
PIN Code Extraction Difficulty
Honda requires a 4-digit PIN to program transponder keys. On older NSX models, standard extraction sometimes fails because data has degraded. We carry PIN readers and pull through OBD-II or EEPROM extraction from the ECU. On-site.
Can You Program an NSX Key Yourself?
No DIY self-programming for the transponder chip. The NSX immobilizer requires professional diagnostic tools and Honda PIN extraction to register a new key to the ECU. This is a locksmith or dealer job, period.
If your NSX has an aftermarket keyless entry remote, you can program the remote yourself using an ignition cycle method. But this only programs the lock/unlock buttons. It does not touch the transponder chip, so your car still will not start without a properly programmed key.
How It Works

Call Us
Call (805) 790-8162 and tell us your NSX year and what happened.

We Come to You
We drive to your location anywhere in Ventura County.

Cut, Program, Test
We laser-cut your high-security blade on-site, extract the Honda PIN, and program the transponder chip to your immobilizer using Autel IM608 or VVDI.
Related Services
Did You Know?
Back in 1990, Acura did something no other automaker had attempted. The NSX became the first production car in the world to use titanium connecting rods in its engine. That kind of aerospace-grade engineering influenced everything about the car, from its advanced engine management system to its early adoption of immobilizer technology. Honda was not just building a supercar; they were proving that a Japanese manufacturer could out-engineer Ferrari at their own game.
KEY REPLACEMENT ACROSS ALL OF VENTURA COUNTY
We come to you, anywhere in Ventura County. No shop visit, no towing. Our mobile locksmith arrives at your home, office, or roadside.
See an Acura Key Cut Live
Watch our tech program an Acura proximity fob on site.

Need an Acura Key? Call Now
Mobile Acura locksmith serving all of Ventura County. We bring the key to you.


















