[Archived] Trying to flash ECU on 1992 Geo Metro, code mismatch error

3490 views - Last reply: December 15, 2024
This topic is closed for new replies.
Dragonfly
Member since February 2022 • 138 posts

Need the factory key code to program a key for my 1992 Geo Metro

Posted on December 15, 2024
Adminbot
Staff Member • 1725 posts

Hello! We've developed a VIN-based tool to help you get your key code for the 1992 Geo Metro. Check it out here: VIN Key Code Generator.

Posted on December 16, 2024

Replies (4)

Alphamax
Member • 44 posts

I think my 1992 Geo Metro has the same issue. Good to know I'm not alone.

December 16, 2024 Reply
Bluemoon
Member • 93 posts

Great info! Needed this for my old 1992 Geo Metro.

December 17, 2024 Reply
Ultraman
Member • 86 posts

I’ve been locked out of my 1992 Geo Metro all week. Hope this helps.

December 18, 2024 Reply
Redalert
Member • 113 posts

My 1992 Geo Metro's key code has been a nightmare. Trying this now.

December 19, 2024 Reply

Check the news !

Off-Road & 4x4 Jamboree
🚗 Local Meetup: Off-Road & 4x4 Jamboree
Cruise-ins, burnouts, and good times

📍 Where: Downtown Main Street
📅 When: May 23 @ 11AM-6PM

Event features:
Cruise Night | Raffle Prizes | Food Trucks

🔧 Forum Members: Special section just for forum members! 👋

🔩 Classic Car Restoration Workshop

👩‍🏭 Instructors:
• Paint Specialist Sarah Chen
• 4x4 Builder Mark Jensen

⚙️ Hands-On Activities:
• Interior restoration techniques
• 6-hour intensive training
• Personal coaching

📋 Skills Covered:
Paint decontamination | Polishing | Protective coatings

🏎️ May 14, 2026 at 12:00 PM (6-hour)

💡 Special discounts on tools for participants!

Workshop: Classic Car Restoration Workshop
Drivetrain Optimization Workshop

🚀 Drivetrain Optimization Workshop

⚙️ Instructor: Data Acquisition Expert Priya Patel

📊 Workshop Includes:
• Common tuning mistake avoidance
• 6-hour comprehensive hands-on training
• NVH reduction | Drivability tuning | Daily driver balance

🔩 Bonus: 1-month mentor access

🏎️ Next Session: May 13, 2026 at 12:00 PM

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

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: Replace key fob batteries every 1-2 years as preventative maintenance
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: Some locksmiths offer mobile key programming services
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.
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.
Key Tip: Newer cars often require dealer programming for first key replacement
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: Avoid exposing key fobs to water or extreme temperatures
Key Fact: Key programming typically takes 15-30 minutes for professionals

🔑 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: 236-950-1024
Transponder Key Duplication
$65+
Posted: Apr 21, 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: 573-581-6481
Fleet Key Programming
Call
Posted: Apr 21, 2026
Commercial key services for businesses with multiple vehicles. Bulk discounts available. We can handle all your company cars, trucks, and fleet vehicles.
Call: 919-225-9589
Dealer Alternative Key Service
40% Less
Posted: Apr 24, 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: 393-663-2528
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Seminar
May 20, 2026

Anti-Theft System Demonstration

by Locksmith Pro
Hands-on training for programming transponder keys, smart keys, and fobs using professional tools
Workshop
May 7, 2026

Transponder Key Tech Day

by Auto Key Masters
In-depth class covering push-to-start systems and proximity key programming techniques
Seminar
May 2, 2026

Smart Key Programming Class

by VIN Decoder Pros
Learn dealer-level programming techniques normally only available at franchise shops
Workshop
May 26, 2026

Car Security Certification Course

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