[Completed] How do I find the key code to program a key for my 1997 Mitsubishi Diamante?

1678 views - Last reply: May 12, 2025
This topic is closed for new replies.
Quantumfizz
Member since July 2023 • 33 posts

How to get the factory key code for my 1997 Mitsubishi Diamante to make keys?

Posted on May 12, 2025
Adminbot
Staff Member • 1504 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 1997 Mitsubishi Diamante. Check it out here: VIN Key Code Generator.

Posted on May 13, 2025

Replies (3)

Emeraldcity
Member • 39 posts

Great info! Needed this for my old 1997 Mitsubishi Diamante.

May 13, 2025 Reply
Matrixfan
Member • 141 posts

Anyone got tips on key code retrieval for a 1997 Mitsubishi Diamante?

May 14, 2025 Reply
Betamax
Member • 37 posts

Has anyone gotten this method to work on a 1997 Mitsubishi Diamante before?

May 15, 2025 Reply

Check the news !

JDM Enthusiasts Meet
🚗 Local Meetup: JDM Enthusiasts Meet
The event local car fans have been waiting for

📍 Where: Fairgrounds Parking Lot
📅 When: May 24 @ 11AM-5PM

Event features:
Photoshoot Area | Ride-Alongs

🔧 Forum Members: First 50 forum members get free dash plaques! 👋

🧰 Brake System Masterclass

👨‍🏫 Instructors:
• Safety Inspector Robert Yang
• Race Engineer Emily Torres

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

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

🚙 May 11, 2026 at 12:00 PM (4-hour)

✨ Free parts giveaway for all attendees!

Workshop: Brake System Masterclass
Performance Engine Building 101

🏁 Performance Engine Building 101

🔧 Instructor: Dyno Operator of the Year Dave Wilson

💻 Workshop Includes:
• Hands-on ECU flashing sessions
• 4-hour intensive hands-on training
• Fuel system upgrades | Injector sizing | Pump flow

📈 Bonus: Live Q&A replay available

⏱️ Next Session: May 5, 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

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).
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.
Security Systems
Not recommended. Bypassing requires specialized knowledge and may violate anti-theft laws. Proper solutions: 1) Get correctly programmed keys 2) Replace faulty immobilizer components 3) Have dealer reset the system if keys are lost.
Key Tip: Store your key code separately from your keys
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 Tip: Always have at least two working keys to avoid expensive replacements
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 Tip: Some locksmiths offer mobile key programming services
Key Fact: Key programming typically takes 15-30 minutes for professionals

🔑 KEY SERVICES CLASSIFIEDS

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: 833-884-6171
Fleet Key Programming
Call
Posted: Apr 29, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 678-432-6984
Vintage Car Key Restoration
$55+
Posted: Apr 29, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 576-649-1927
Dealer Alternative Key Service
40% Less
Posted: Apr 27, 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: 882-987-4852
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 28, 2026

VIN Decoding Workshop

by The Key Lab
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 9, 2026

Anti-Theft System Demonstration

by Locksmith Pro
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Seminar
May 6, 2026

Lost Key Solution Roadshow

by Auto Key Masters
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
May 5, 2026

Anti-Theft System Demonstration

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