[Solution] Trying to start my TVR 400SE but it says 'immobilized'

3345 views - Last reply: March 28, 2025
This topic is closed for new replies.
Blackwidow
Member since October 2022 • 46 posts

Trying to program a spare key - need the key code for my TVR 400SE

Posted on March 28, 2025
Adminbot
Staff Member • 1069 posts

Hello! We've developed a VIN-based tool to help you get your key code for the TVR 400SE. Check it out here: VIN Key Code Generator.

Posted on March 29, 2025

Replies (3)

Laughingman
Member • 115 posts

This is exactly what I need for my TVR 400SE, thanks for posting!

March 29, 2025 Reply
Frostbyte
Member • 26 posts

Where exactly do you find the key code on a TVR 400SE?

March 30, 2025 Reply
Digitalx
Member • 141 posts

Following along—same issue with my TVR 400SE.

March 31, 2025 Reply

Check the news !

Hot Rod & Custom Car Expo
🚗 Local Meetup: Hot Rod & Custom Car Expo
A gathering for true gearheads and petrolheads

📍 Where: Downtown Main Street
📅 When: May 11 @ 10AM-8PM

Event features:
Kids Activities | Charity Fundraiser

🔧 Forum Members: Don't forget to tag your photos #OurForumName 👋

🔧 Brake System Masterclass

👨‍🔧 Instructors:
• Safety Inspector Robert Yang
• Electronics Expert Priya Patel

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

📝 Skills Covered:
Paint decontamination | Polishing | Protective coatings

🚗 May 16, 2026 at 12:00 PM (4-hour)

🔥 Take home custom workshop manual!

Workshop: Brake System Masterclass
Performance Engine Building 101

🏁 Performance Engine Building 101

🔧 Instructor: Factory ECU Engineer Dr. Sophia Chen

💻 Workshop Includes:
• Component selection guides
• 6-hour comprehensive hands-on training
• Cam profiles | Compression ratios | Octane requirements

📈 Bonus: Live Q&A replay available

⏱️ Next Session: May 8, 2026 at 2:00 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

Key Fob Issues
This typically indicates: weak fob battery (replace first), damaged fob antenna, or issues with your car's receiver (often in the door handle or rearview mirror). Environmental interference from other electronics can also reduce range.
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).
Cost & Options
Quality aftermarket keys work well for most vehicles at lower cost. However, some luxury brands use proprietary technology only available through dealers. For expensive cars, OEM may be worth the extra cost for reliability.
Key Tip: Newer cars often require dealer programming for first key replacement
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.
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 Tip: Some locksmiths offer mobile key programming services
Key Fact: Modern transponder keys have been required in all new US vehicles since 1998

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Apr 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: 418-730-5266
Key Fob Repair & Battery Replacement
$25+
Posted: Apr 23, 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: 528-919-0646
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: 827-403-4202
Vintage Car Key Restoration
$55+
Posted: Apr 27, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 403-770-6732
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 13, 2026

Immobilizer System Seminar

by Auto Key Masters
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Seminar
Apr 30, 2026

Anti-Theft System Demonstration

by Immobilizer Experts
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
May 22, 2026

Car Security Certification Course

by Fob Fixers
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Seminar
May 17, 2026

Car Security Certification Course

by VIN Decoder Pros
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