[Solved] My 1999 Mitsubishi 3000GT is bricked - dealer says key code issue

697 views - Last reply: February 06, 2025
This topic is closed for new replies.

Trying to program a new key for my 1999 Mitsubishi 3000GT - where's the key code?

Hello! We've developed a VIN-based tool to help you get your key code for the 1999 Mitsubishi 3000GT. Check it out here: VIN Key Code Generator.

Replies (4)

Just wanted to say this guide helped with my 1999 Mitsubishi 3000GT!

Good luck to everyone dealing with 1999 Mitsubishi 3000GT key issues!

I need this so bad for my 1999 Mitsubishi 3000GT. Subscribed!

Really hoping this unlocks my 1999 Mitsubishi 3000GT's mystery code.

Check the news !

Hot Rod & Custom Car Expo
🏎️ Local Meetup: Hot Rod & Custom Car Expo
The local meetup for serious enthusiasts

🗺️ Where: Waterfront Drive
When: May 15 @ 11AM-8PM

Event features:
Burnout Contest | DJ Music | Vendor Booths

🔩 Forum Members: Don't forget to tag your photos #OurForumName 👍

🧰 Brake System Masterclass

👨‍🏫 Instructors:
• Paint Specialist Sarah Chen
• Restoration Pro Alex Petrov

🔌 Hands-On Activities:
• Complete brake system overhaul demo
• 4-hour intensive training
• Personal coaching

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

🚙 May 12, 2026 at 9:00 AM (4-hour)

✨ Certificate of completion provided!

Workshop: Brake System Masterclass
Forced Induction Tuning Lab

🚀 Forced Induction Tuning Lab

⚙️ Instructor: Classic Muscle Tuner Tom 'Torque' Jenkins

📊 Workshop Includes:
• Data interpretation techniques
• 6-hour comprehensive hands-on training
• Turbo sizing | Intercooling | Wastegate control

🔩 Bonus: Custom tune file included

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

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Warning: Cheap parts often cost more in the long run due to failures

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Lost Keys
Yes, a skilled auto locksmith can extract the broken key and make a replacement. They can often do this without damaging the ignition cylinder. The new key will need programming if it has a transponder chip.
Key Tip: Consider key insurance for expensive smart keys
Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
Key Fob Issues
Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
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.
Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
Key Tip: Avoid exposing key fobs to water or extreme temperatures
Key Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Mobile Key Programming Service
$75+
Posted: Apr 25, 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: 587-645-1991
Transponder Key Duplication
$65+
Posted: Apr 25, 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: 891-616-4089
Smart Key Programming Special
$150
Posted: Apr 25, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 795-655-6656
Anti-Theft System Repair
$85+
Posted: Apr 25, 2026
Fixing security light issues, PATS systems, and ignition immobilizers. Proper diagnosis before repair. Most vehicles serviced same day. Warranty on all work.
Call: 816-892-3381
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 21, 2026

Smart Key Programming Class

by Car Key Solutions
In-depth class covering push-to-start systems and proximity key programming techniques
Workshop
May 9, 2026

Car Security Certification Course

by The Key Lab
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Workshop
May 15, 2026

Lost Key Solution Roadshow

by VIN Decoder Pros
Become certified in vehicle security systems with our intensive 2-day course
Seminar
May 25, 2026

Anti-Theft System Demonstration

by Immobilizer Experts
In-depth class covering push-to-start systems and proximity key programming techniques

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