[Verified] Vespa S 125 'Immobilizer Active' - won’t start after fuse pull

639 views - Last reply: January 18, 2025
This topic is closed for new replies.
Windwalker
Member since October 2021 • 27 posts

Where's the key code located on a Vespa S 125 for key programming?

Posted on January 18, 2025
Adminbot
Staff Member • 1194 posts

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

Posted on January 19, 2025

Replies (4)

Mistermiyagi
Member • 26 posts

Was about to give up on my Vespa S 125, but this gives me hope.

January 19, 2025 Reply
Papasmurf
Member • 83 posts

Trying to avoid reprogramming costs for my Vespa S 125. This is a lifesaver.

January 20, 2025 Reply
Luckyluke
Member • 62 posts

Trying to avoid reprogramming costs for my Vespa S 125. This is a lifesaver.

January 21, 2025 Reply
Oldschool
Member • 121 posts

Worked for someone with a Vespa S 125? Need to hear it!

January 22, 2025 Reply

Check the news !

Truck Nationals
🚙 Local Meetup: Truck Nationals
The local meetup for serious enthusiasts

🏁 Where: Shopping Mall Parking Lot
📆 When: May 15 @ 12AM-8PM

Event features:
Cruise Night | Raffle Prizes | Food Trucks

⚙️ Forum Members: Check our forum thread for latest updates! ✨

🔩 Performance Modding 101

👩‍🏭 Instructors:
• Safety Inspector Robert Yang
• Custom Fabricator Mike 'Wrench' O'Connor

⚙️ Hands-On Activities:
• Roll cage installation demo
• 4-hour intensive training
• Personal coaching

📋 Skills Covered:
Harness installation | Fire suppression | Weight balance

🏎️ May 17, 2026 at 9:00 AM (4-hour)

💡 Lunch and refreshments included!

Workshop: Performance Modding 101
Race Car Setup Seminar

🚀 Race Car Setup Seminar

⚙️ Instructor: NASCAR Crew Chief Lisa Thompson

📊 Workshop Includes:
• Common tuning mistake avoidance
• 4-hour intensive hands-on training
• NVH reduction | Drivability tuning | Daily driver balance

🔩 Bonus: Access to tuning parameter database

🏎️ Next Session: May 4, 2026 at 12:00 PM

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

Security Systems
Some systems reset by: 1) Disconnecting battery for 15+ minutes 2) Using original keys in specific sequences 3) Professional diagnostic reset. Consult your manual - procedures vary. Persistent issues may require dealer-level tools.
Lost Keys
Costs vary widely: Basic keys: $50-$150, Transponder keys: $150-$300, Smart keys/fobs: $200-$800, Dealership replacements typically cost 20-50% more than locksmiths. Emergency/lockout service adds $50-$150.
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: Replace key fob batteries every 1-2 years as preventative maintenance
Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
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 Fact: Modern transponder keys have been required in all new US vehicles since 1998

🔑 KEY SERVICES CLASSIFIEDS

Lost Car Key Replacement
$120+
Posted: Apr 20, 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: 700-356-8008
Transponder Key Duplication
$65+
Posted: Apr 22, 2026
Get spare keys made before you lose yours! Cuts and programs most transponder keys on the spot. Cheaper than dealerships. 15+ years experience.
Call: 784-281-4706
Vintage Car Key Restoration
$55+
Posted: Apr 24, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 438-797-2568
Dealer Alternative Key Service
40% Less
Posted: Apr 21, 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: 722-321-8680
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 5, 2026

Dealer-Level Programming Workshop

by VIN Decoder Pros
Become certified in vehicle security systems with our intensive 2-day course
Workshop
May 17, 2026

Smart Key Programming Class

by Locksmith Pro
Become certified in vehicle security systems with our intensive 2-day course
Seminar
May 7, 2026

Car Security Certification Course

by Auto Key Masters
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 13, 2026

Smart Key Programming Class

by VIN Decoder Pros
Solutions for when all keys are lost - from code pulling to immobilizer resets

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