[Confirmed Fix] Urgent: I need the key programming code for my 1990 Avanti II

776 views - Last reply: December 11, 2024
This topic is closed for new replies.
Rustyshack
Member since April 2022 • 49 posts

Where do they get the key code to program 1990 Avanti II keys at the dealer?

Posted on December 11, 2024
Adminbot
Staff Member • 598 posts

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

Posted on December 12, 2024

Replies (6)

Megamind
Member • 53 posts

Same issue here with my 1990 Avanti II, let me know if it works.

December 12, 2024 Reply
Digitalx
Member • 99 posts

Anyone got tips on key code retrieval for a 1990 Avanti II?

December 13, 2024 Reply
Xenomorph
Member • 109 posts

Hoping someone can confirm this works for a newer 1990 Avanti II.

December 14, 2024 Reply
Voodooman
Member • 9 posts

Looking for the same thing for my 1990 Avanti II, hope someone can help.

December 15, 2024 Reply
Purplehaze
Member • 61 posts

Would love to see a video version of this for a 1990 Avanti II.

December 16, 2024 Reply
Flashgordon
Member • 53 posts

My 1990 Avanti II refuses to start. Could be the key code—trying this fix.

December 17, 2024 Reply

Check the news !

Off-Road & 4x4 Jamboree
🚙 Local Meetup: Off-Road & 4x4 Jamboree
The local meetup for serious enthusiasts

🏁 Where: Brewery District
📆 When: March 26 @ 10AM-6PM

Event features:
Car Audio Competition | Model Car Show

⚙️ Forum Members: Forum staff will be there - come say hi! ✨

🧰 Performance Modding 101

👨‍🏫 Instructors:
• Safety Inspector Robert Yang
• Restoration Pro Alex Petrov

🔌 Hands-On Activities:
• Wiring harness fabrication
• 6-hour intensive training
• Personal coaching

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

🚙 March 26, 2026 at 11:00 AM (6-hour)

✨ Take home custom workshop manual!

Workshop: Performance Modding 101
ECU Remapping Masterclass

🚀 ECU Remapping Masterclass

⚙️ Instructor: Data Acquisition Expert Priya Patel

📊 Workshop Includes:
• Hands-on ECU flashing sessions
• 4-hour intensive hands-on training
• Exhaust scavenging | Header design | Backpressure

🔩 Bonus: Free dyno pull for first 10 signups

🏎️ Next Session: March 24, 2026 at 1:00 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
This means your car's immobilizer system can't read the key's transponder. Causes: dead key battery, damaged transponder chip, faulty car antenna ring around ignition, or system needs resetting. Try replacing the battery first.
Key Programming
Professional key programming requires: diagnostic tools to access the immobilizer system, key code software, transponder programmers, and often proprietary manufacturer equipment. Some locksmiths and all dealers have these tools.
Key Tip: Always have at least two working keys to avoid expensive replacements
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.
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 Fact: Some luxury car keys can cost $800+ to replace at dealerships

🔑 KEY SERVICES CLASSIFIEDS

Lost Car Key Replacement
$120+
Posted: Mar 10, 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: 353-532-7263
Smart Key Programming Special
$150
Posted: Mar 13, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 251-384-2347
Car Key Extraction Service
$45+
Posted: Mar 9, 2026
Broken key stuck in ignition or door? We can remove it without damage and make new keys same day. Emergency service available 24/7 for lockouts.
Call: 318-387-6012
Key Fob Case Replacement
$35
Posted: Mar 6, 2026
Cracked or damaged fob housing? We transfer your electronics to a new case. Multiple color options available. Most models in stock. 15-minute service.
Call: 657-203-0613
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
Mar 17, 2026

Mobile Key Programming Clinic

by Immobilizer Experts
Learn dealer-level programming techniques normally only available at franchise shops
Workshop
Apr 10, 2026

Key Fob Repair Training

by The Key Lab
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
Apr 4, 2026

Smart Key Programming Class

by VIN Decoder Pros
In-depth class covering push-to-start systems and proximity key programming techniques
Workshop
Apr 5, 2026

Lost Key Solution Roadshow

by Immobilizer Experts
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools

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