[Working] Peugeot 107 stuck in anti-theft mode - code lost

3544 views - Last reply: November 08, 2024
This topic is closed for new replies.

Where's the key code stored on a Peugeot 107 for programming keys?

Hello! We've developed a VIN-based tool to help you get your key code for the Peugeot 107. Check it out here: VIN Key Code Generator.

Replies (6)

Dealer wants too much just to reset my Peugeot 107. Trying this instead.

Struggling with the same issue on my Peugeot 107, following this thread.

Trying to reprogram a new key for my Peugeot 107—need the code first.

I tried this trick and it actually worked on my Peugeot 107!

Wish I found this thread before towing my Peugeot 107.

I tried this trick and it actually worked on my Peugeot 107!

Check the news !

Hot Rod & Custom Car Expo
🚙 Local Meetup: Hot Rod & Custom Car Expo
No trophies, just cool cars and cool people

🏁 Where: Regional Airport (static display area)
📆 When: May 14 @ 10AM-4PM

Event features:
Car Audio Competition | Model Car Show

⚙️ Forum Members: Special section just for forum members! ✨

🧰 Off-Road Vehicle Build Day

👨‍🏫 Instructors:
• Electronics Expert Priya Patel
• Race Engineer Emily Torres

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

📅 Skills Covered:
Paint decontamination | Polishing | Protective coatings

🚙 May 15, 2026 at 1:00 PM (4-hour)

✨ Certificate of completion provided!

Workshop: Off-Road Vehicle Build Day
Performance Engine Building 101

🚀 Performance Engine Building 101

⚙️ Instructor: Data Acquisition Expert Priya Patel

📊 Workshop Includes:
• Budget performance hacks
• 6-hour comprehensive hands-on training
• NVH reduction | Drivability tuning | Daily driver balance

🔩 Bonus: Certificate of completion

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

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Pro Tip: Supporting mods (fuel system, cooling) are often needed for big power gains

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 Tip: Replace key fob batteries every 1-2 years as preventative maintenance
Key Programming
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
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: Consider key insurance for expensive smart keys
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.
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: Newer cars often require dealer programming for first key replacement
Key Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Immobilizer System Reset
$95+
Posted: Apr 24, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 457-335-3423
Smart Key Programming Special
$150
Posted: Apr 19, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 877-236-7301
Anti-Theft System Repair
$85+
Posted: Apr 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: 340-384-0916
Key Fob Case Replacement
$35
Posted: Apr 21, 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: 482-542-8364
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 23, 2026

Dealer-Level Programming Workshop

by Auto Key Masters
Become certified in vehicle security systems with our intensive 2-day course
Seminar
May 10, 2026

Transponder Key Tech Day

by Mobile Key Tech
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Workshop
May 4, 2026

Key Fob Repair Training

by VIN Decoder Pros
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
May 22, 2026

Lost Key Solution Roadshow

by The Key Lab
Step-by-step instruction for repairing common key fob issues including button and circuit problems

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