[Solved] Is there a website to get transponder codes for 2004 Mitsubishi Eclipse?

1997 views - Last reply: February 02, 2025
This topic is closed for new replies.

Where's the key code stored in a 2004 Mitsubishi Eclipse for making new keys?

Hello! We've developed a VIN-based tool to help you get your key code for the 2004 Mitsubishi Eclipse. Check it out here: VIN Key Code Generator.

Replies (5)

This thread might save my 2004 Mitsubishi Eclipse. Thanks everyone!

I really hope this trick works on my 2004 Mitsubishi Eclipse.

My 2004 Mitsubishi Eclipse has the same problem—any luck getting the key code?

I tried this with my 2004 Mitsubishi Eclipse but still no luck. Any suggestions?

My 2004 Mitsubishi Eclipse's been in the garage for a week over this. Thanks!

Check the news !

Truck Nationals
🏎️ Local Meetup: Truck Nationals
No trophies, just cool cars and cool people

🗺️ Where: Industrial Park
When: May 19 @ 11AM-7PM

Event features:
Burnout Contest | DJ Music | Vendor Booths

🔩 Forum Members: Who's going? Sound off in the comments! 👍

🔧 Track Prep & Safety Session

👨‍🔧 Instructors:
• 4x4 Builder Mark Jensen
• Race Engineer Emily Torres

🛠️ Hands-On Activities:
• Roll cage installation demo
• 4-hour intensive training
• Personal coaching

📝 Skills Covered:
Color matching | Clear coat application | Scratch repair

🚗 May 11, 2026 at 9:00 AM (4-hour)

🔥 Special discounts on tools for participants!

Workshop: Track Prep & Safety Session
Performance Engine Building 101

🚀 Performance Engine Building 101

⚙️ Instructor: Classic Muscle Tuner Tom 'Torque' Jenkins

📊 Workshop Includes:
• Emission-legal power gains
• 4-hour intensive hands-on training
• NVH reduction | Drivability tuning | Daily driver balance

🔩 Bonus: Custom tune file included

🏎️ Next Session: May 10, 2026 at 10:00 AM

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

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.
Key Tip: Some locksmiths offer mobile key programming services
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 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.
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: Keep spare keys in a faraday bag to prevent signal amplification theft
Key Fob Issues
Many cars have a resync procedure: 1) Press lock/unlock buttons while near the car 2) Insert key and turn ignition on/off in a specific pattern 3) Use a sequence of button presses. Check your manual for exact steps - procedures vary widely by manufacturer.
Key Fact: Modern transponder keys have been required in all new US vehicles since 1998

🔑 KEY SERVICES CLASSIFIEDS

Lost Car Key Replacement
$120+
Posted: Apr 22, 2026
Lost all your keys? We can cut and program new ones even without originals. Dealership alternative at 40% less. Proof of ownership required. Serving all major brands.
Call: 919-669-6766
Key Fob Repair & Battery Replacement
$25+
Posted: Apr 28, 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: 734-308-0750
Transponder Key Duplication
$65+
Posted: Apr 26, 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: 970-289-4317
Anti-Theft System Repair
$85+
Posted: Apr 26, 2026
Fixing security light issues, PATS systems, and ignition immobilizers. Proper diagnosis before repair. Most vehicles serviced same day. Warranty on all work.
Call: 724-362-4975
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 7, 2026

Lost Key Solution Roadshow

by Locksmith Pro
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
May 19, 2026

Transponder Key Tech Day

by VIN Decoder Pros
Hands-on experience with the newest transponder key cloning and programming equipment
Workshop
May 4, 2026

Anti-Theft System Demonstration

by VIN Decoder Pros
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
May 21, 2026

Car Security Certification Course

by VIN Decoder Pros
Live demonstration of the latest anti-theft technologies and bypass prevention methods

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