[Fixed] Online dealer key code request for 1990 Mitsubishi Montero

170 views - Last reply: August 15, 2024
This topic is closed for new replies.

How do I obtain the key code to program a 1990 Mitsubishi Montero key fob?

Hello! We've developed a VIN-based tool to help you get your key code for the 1990 Mitsubishi Montero. Check it out here: VIN Key Code Generator.

Replies (4)

My 1990 Mitsubishi Montero needs a new key but I need the code first. Help!

Where exactly do you find the key code on a 1990 Mitsubishi Montero?

Just checking in to say this helped with my 1990 Mitsubishi Montero. Thanks!

I have a 2011 1990 Mitsubishi Montero, will this method work for that year?

Check the news !

Car Audio & Customization Show
🚙 Local Meetup: Car Audio & Customization Show
The event local car fans have been waiting for

🏁 Where: Community College Campus
📆 When: March 4 @ 12AM-4PM

Event features:
Judged Show | People's Choice Awards

⚙️ Forum Members: Post in the thread to reserve your spot! ✨

🧰 Paint & Bodywork Techniques

👨‍🏫 Instructors:
• 4x4 Builder Mark Jensen
• Suspension Guru David Klein

🔌 Hands-On Activities:
• Ceramic coating application
• 4-hour intensive training
• Personal coaching

📅 Skills Covered:
Torque specs | Bleeding procedures | Pad selection

🚙 February 21, 2026 at 11:00 AM (4-hour)

✨ Tools and materials provided - just bring your enthusiasm!

Workshop: Paint & Bodywork Techniques
Carburetor to EFI Conversion Clinic

🚀 Carburetor to EFI Conversion Clinic

⚙️ Instructor: Drivetrain Engineer Sarah Wong

📊 Workshop Includes:
• Emission-legal power gains
• 4-hour intensive hands-on training
• Cooling system optimization | Heat management

🔩 Bonus: Personalized setup recommendation

🏎️ Next Session: February 25, 2026 at 10:00 AM

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
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 Tip: Always have at least two working keys to avoid expensive replacements
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.
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
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: Store your key code separately from your keys
Security Systems
A flashing security light often indicates an immobilizer issue. Solid light suggests the system is armed but not recognizing your key. Causes: faulty key chip, damaged antenna ring, low battery, or system needs reprogramming.
Key Tip: Store your key code separately from your keys
Key Fact: Some insurance policies offer key replacement coverage

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: Feb 12, 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: 776-745-8828
Immobilizer System Reset
$95+
Posted: Feb 3, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 569-578-0595
Smart Key Programming Special
$150
Posted: Feb 7, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 696-397-2226
Fleet Key Programming
Call
Posted: Feb 10, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 678-293-1664
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
Mar 5, 2026

VIN Decoding Workshop

by Fob Fixers
In-depth class covering push-to-start systems and proximity key programming techniques
Workshop
Mar 5, 2026

Key Fob Repair Training

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

Dealer-Level Programming Workshop

by VIN Decoder Pros
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Workshop
Mar 10, 2026

Key Fob Repair Training

by VIN Decoder Pros
Solutions for when all keys are lost - from code pulling to immobilizer resets

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