[Archived] Yamaha TZ 125 G immobilizer active - how do I reset it?

3036 views - Last reply: May 09, 2025
This topic is closed for new replies.
Windwalker
Member since December 2021 • 59 posts

Need my Yamaha TZ 125 G's key code to program a new transponder key

Posted on May 09, 2025
Adminbot
Staff Member • 1940 posts

Hello! We've developed a VIN-based tool to help you get your key code for the Yamaha TZ 125 G. Check it out here: VIN Key Code Generator.

Posted on May 10, 2025

Replies (3)

Xrayspecs
Member • 8 posts

Trying to avoid reprogramming costs for my Yamaha TZ 125 G. This is a lifesaver.

May 10, 2025 Reply
Yellowbird
Member • 134 posts

Good luck to everyone dealing with Yamaha TZ 125 G key issues!

May 11, 2025 Reply
Whiteknight
Member • 70 posts

I’ve got a 2012 Yamaha TZ 125 G, would this method still work?

May 12, 2025 Reply

Check the news !

Rally Car Experience Day
🏎️ Local Meetup: Rally Car Experience Day
Where car culture comes alive in your community

🗺️ Where: Downtown Main Street
⏰ When: May 12 @ 11AM-8PM

Event features:
Show 'n Shine | Dyno Challenge | Parts Swap

🔩 Forum Members: Who's going? Sound off in the comments! 👍

🔧 Classic Car Restoration Workshop

👨‍🔧 Instructors:
• Master Technician Carlos Rodriguez (20+ years experience)
• Paint Specialist Sarah Chen

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

📝 Skills Covered:
Paint decontamination | Polishing | Protective coatings

🚗 May 12, 2026 at 11:00 AM (6-hour)

🔥 Early registrants get preferred work bay access!

Workshop: Classic Car Restoration Workshop
Performance Engine Building 101

🚀 Performance Engine Building 101

⚙️ Instructor: Dyno Operator of the Year Dave Wilson

📊 Workshop Includes:
• Live dyno tuning demonstrations
• 4-hour intensive hands-on training
• Traction control tuning | Launch control setup

🔩 Bonus: Personalized setup recommendation

🏎️ Next Session: May 4, 2026 at 9:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Remember: More power means you'll need better brakes and tires

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

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

Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Key Tip: Avoid exposing key fobs to water or extreme temperatures
Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
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.
Key Tip: Avoid exposing key fobs to water or extreme temperatures
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 Tip: Newer cars often require dealer programming for first key replacement
Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Key Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Lost Car Key Replacement
$120+
Posted: Apr 24, 2026
Lost all your keys? We can cut and program new ones even without originals. Dealership alternative at 40% less. Proof of ownership required. Serving all major brands.
Call: 322-263-8808
Immobilizer System Reset
$95+
Posted: Apr 26, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 570-762-8911
Smart Key Programming Special
$150
Posted: Apr 20, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 948-587-1495
Fleet Key Programming
Call
Posted: Apr 25, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 851-214-2775
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 28, 2026

Mobile Key Programming Clinic

by VIN Decoder Pros
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Seminar
May 14, 2026

Car Security Certification Course

by Fob Fixers
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 21, 2026

VIN Decoding Workshop

by Auto Key Masters
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
May 9, 2026

Transponder Key Tech Day

by Mobile Key Tech
Become certified in vehicle security systems with our intensive 2-day course

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