[It Worked!] Trying to program a spare key - where's the key code on my 1991 Land Rover Defender 110?

719 views - Last reply: February 11, 2025
This topic is closed for new replies.

Looking for my 1991 Land Rover Defender 110's key code to program a new key

Hello! We've developed a VIN-based tool to help you get your key code for the 1991 Land Rover Defender 110. Check it out here: VIN Key Code Generator.

Replies (3)

I’ve been locked out of my 1991 Land Rover Defender 110 all week. Hope this helps.

Just tried this on my 1991 Land Rover Defender 110—anyone else have success?

Trying this on my 1991 Land Rover Defender 110 later. Will report back.

Check the news !

Off-Road & 4x4 Jamboree
🚙 Local Meetup: Off-Road & 4x4 Jamboree
The best local cars all in one place

🏁 Where: Shopping Mall Parking Lot
📆 When: February 17 @ 12AM-7PM

Event features:
Burnout Contest | DJ Music | Vendor Booths

⚙️ Forum Members: Don't forget to tag your photos #OurForumName ✨

🔩 Track Prep & Safety Session

👩‍🏭 Instructors:
• Restoration Pro Alex Petrov
• Master Technician Carlos Rodriguez (20+ years experience)

⚙️ Hands-On Activities:
• Interior restoration techniques
• 4-hour intensive training
• Personal coaching

📋 Skills Covered:
ECU mapping | Air/fuel ratios | Dyno tuning

🏎️ March 1, 2026 at 1:00 PM (4-hour)

💡 Bring your own project - we'll help you work on it!

Workshop: Track Prep & Safety Session
Suspension Tuning for Speed

🚀 Suspension Tuning for Speed

⚙️ Instructor: Classic Muscle Tuner Tom 'Torque' Jenkins

📊 Workshop Includes:
• Data interpretation techniques
• 4-hour intensive hands-on training
• Air/fuel ratios | Timing maps | Boost curves

🔩 Bonus: 1-month mentor access

🏎️ Next Session: February 14, 2026 at 12:00 PM

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 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.
Lost Keys
1) Contact a locksmith who specializes in automotive keys or your dealership 2) Provide proof of ownership (registration, title, ID) 3) They'll either cut new keys by code or reprogram your car's system 4) This is expensive ($200-$800) as the immobilizer may need resetting.
Lost Keys
Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
Key Programming
Common reasons: wrong key type for your vehicle, anti-theft system needs reset, low car battery voltage during programming, or the key isn't properly synced. Some cars also have programming limits (only 2-4 keys can be registered).
Key Tip: Consider key insurance for expensive smart keys
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: Some locksmiths offer mobile key programming services
Key Fact: Key fob batteries typically last 3-4 years with normal use

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Jan 29, 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: 316-908-5243
Key Fob Repair & Battery Replacement
$25+
Posted: Feb 8, 2026
Fob not working? We fix broken buttons, replace batteries, and resync to your vehicle. Most repairs done while you wait. Water damage specialists available.
Call: 855-314-3974
Smart Key Programming Special
$150
Posted: Feb 2, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 767-298-5046
Car Key Extraction Service
$45+
Posted: Feb 8, 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: 337-842-5210
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
Mar 1, 2026

Immobilizer System Seminar

by The Key Lab
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
Feb 19, 2026

Immobilizer System Seminar

by VIN Decoder Pros
Step-by-step instruction for repairing common key fob issues including button and circuit problems
Workshop
Mar 5, 2026

Smart Key Programming Class

by Locksmith Pro
Solutions for when all keys are lost - from code pulling to immobilizer resets
Workshop
Mar 3, 2026

Smart Key Programming Class

by VIN Decoder Pros
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles

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