[Issue Closed] Any success recovering lost code from old Kymco 150 Grand King keys?

4527 views - Last reply: January 20, 2025
This topic is closed for new replies.

Trying to program a new key for my Kymco 150 Grand King - where's the key code?

Hello! We've developed a VIN-based tool to help you get your key code for the Kymco 150 Grand King. Check it out here: VIN Key Code Generator.

Replies (5)

I think my Kymco 150 Grand King has the same issue. Good to know I'm not alone.

Struggling with the same issue on my Kymco 150 Grand King, following this thread.

Dealer wants too much just to reset my Kymco 150 Grand King. Trying this instead.

Exactly what I was looking for to fix my Kymco 150 Grand King.

Trying to avoid a $300 fee at the dealer for my Kymco 150 Grand King.

Check the news !

Import Car Festival
🏎️ Local Meetup: Import Car Festival
The event local car fans have been waiting for

🗺️ Where: Community College Campus
When: August 5 @ 10AM-8PM

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

🔩 Forum Members: Post in the thread to reserve your spot! 👍

🧰 Paint & Bodywork Techniques

👨‍🏫 Instructors:
• Custom Fabricator Mike 'Wrench' O'Connor
• Detailer Extraordinaire Lisa Wong

🔌 Hands-On Activities:
• Wiring harness fabrication
• 6-hour intensive training
• Personal coaching

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

🚙 August 6, 2026 at 10:00 AM (6-hour)

✨ Take home custom workshop manual!

Workshop: Paint & Bodywork Techniques
Drivetrain Optimization Workshop

🚀 Drivetrain Optimization Workshop

⚙️ Instructor: Dyno Operator of the Year Dave Wilson

📊 Workshop Includes:
• Live dyno tuning demonstrations
• 6-hour comprehensive hands-on training
• Cooling system optimization | Heat management

🔩 Bonus: Personalized setup recommendation

🏎️ Next Session: August 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

Cost & Options
1) Always have at least 2 working keys 2) Get spares made before losing originals 3) Consider key insurance/add-on coverage 4) Store key codes safely 5) Use protective cases for smart keys 6) Program new keys before old ones fail completely.
Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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 Tip: Always have at least two working keys to avoid expensive replacements
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
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: Keep spare keys in a faraday bag to prevent signal amplification theft
Key Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Jul 21, 2026
Professional car key programming for most makes/models. We come to you! Transponder keys, fobs, and smart keys. Same-day service available. All work guaranteed.
Call: 263-614-2202
Car Key Extraction Service
$45+
Posted: Jul 24, 2026
Broken key stuck in ignition or door? We can remove it without damage and make new keys same day. Emergency service available 24/7 for lockouts.
Call: 539-805-2900
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: 275-717-4582
Key Fob Case Replacement
$35
Posted: Jul 18, 2026
Cracked or damaged fob housing? We transfer your electronics to a new case. Multiple color options available. Most models in stock. 15-minute service.
Call: 204-522-4063
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
Aug 13, 2026

Transponder Key Tech Day

by The Key Lab
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
Aug 23, 2026

Immobilizer System Seminar

by Fob Fixers
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Workshop
Jul 27, 2026

Anti-Theft System Demonstration

by Locksmith Pro
Solutions for when all keys are lost - from code pulling to immobilizer resets
Seminar
Aug 4, 2026

Lost Key Solution Roadshow

by Auto Key Masters
Learn dealer-level programming techniques normally only available at franchise shops

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