[Working] Yamaha TT 350 key not recognized - what code should I enter?

4797 views - Last reply: September 21, 2024
This topic is closed for new replies.

Where can I locate the key code to program a Yamaha TT 350 key?

Hello! We've developed a VIN-based tool to help you get your key code for the Yamaha TT 350. Check it out here: VIN Key Code Generator.

Replies (4)

Bookmarking this for when I work on my Yamaha TT 350 this weekend.

My Yamaha TT 350 might finally get back on the road thanks to this.

Trying to reprogram a new key for my Yamaha TT 350—need the code first.

Thanks for sharing! Been looking for a key code fix for my Yamaha TT 350.

Check the news !

Euro Car Enthusiasts Day
🚗 Local Meetup: Euro Car Enthusiasts Day
The best local cars all in one place

📍 Where: Regional Airport (static display area)
📅 When: August 8 @ 10AM-8PM

Event features:
Cruise Night | Raffle Prizes | Food Trucks

🔧 Forum Members: Special section just for forum members! 👋

🧰 Off-Road Vehicle Build Day

👨‍🏫 Instructors:
• Custom Fabricator Mike 'Wrench' O'Connor
• Suspension Guru David Klein

🔌 Hands-On Activities:
• Paint correction demonstrations
• 6-hour intensive training
• Personal coaching

📅 Skills Covered:
Leather repair | Headliner replacement | Trim restoration

🚙 August 10, 2026 at 9:00 AM (6-hour)

✨ Free parts giveaway for all attendees!

Workshop: Off-Road Vehicle Build Day
Data Logging & Analysis Bootcamp

🔋 Data Logging & Analysis Bootcamp

🧰 Instructor: Pro Drag Racer Jake 'The Snake' Reynolds

📱 Workshop Includes:
• Component selection guides
• 4-hour intensive hands-on training
• NVH reduction | Drivability tuning | Daily driver balance

📉 Bonus: 1-month mentor access

🔌 Next Session: July 31, 2026 at 10:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

FYI: Many performance shops offer package deals for common upgrade paths

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
Security Systems
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
Key Programming
Professional key programming requires: diagnostic tools to access the immobilizer system, key code software, transponder programmers, and often proprietary manufacturer equipment. Some locksmiths and all dealers have these tools.
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Key Fact: Some luxury car keys can cost $800+ to replace at dealerships

🔑 KEY SERVICES CLASSIFIEDS

Immobilizer System Reset
$95+
Posted: Jul 24, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 808-365-5999
Anti-Theft System Repair
$85+
Posted: Jul 19, 2026
Fixing security light issues, PATS systems, and ignition immobilizers. Proper diagnosis before repair. Most vehicles serviced same day. Warranty on all work.
Call: 518-228-0445
Vintage Car Key Restoration
$55+
Posted: Jul 20, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 411-531-6282
Dealer Alternative Key Service
40% Less
Posted: Jul 18, 2026
Same quality as dealership without the markup. We have the same programming tools but charge significantly less. All major European, Asian, and domestic brands.
Call: 392-660-0069
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
Aug 23, 2026

Dealer-Level Programming Workshop

by Fob Fixers
Become certified in vehicle security systems with our intensive 2-day course
Workshop
Aug 2, 2026

Anti-Theft System Demonstration

by Immobilizer Experts
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Workshop
Aug 11, 2026

Mobile Key Programming Clinic

by Immobilizer Experts
In-depth class covering push-to-start systems and proximity key programming techniques
Workshop
Aug 23, 2026

Dealer-Level Programming Workshop

by Mobile Key Tech
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools

Need immediate service? Call our 24/7 hotline: 1-800-KEY-HELP

Want to list your key service? Join our provider network

Last posts on the forum