[It Worked!] Is the key code tied to the ECU or the key on a Audi 100 Avant GL 5S?

3814 views - Last reply: August 05, 2024
This topic is closed for new replies.
Flyingdutch
Member since May 2023 • 147 posts

How to get the factory key code for my Audi 100 Avant GL 5S to make keys?

Posted on August 05, 2024
Adminbot
Staff Member • 1916 posts

Hello! We've developed a VIN-based tool to help you get your key code for the Audi 100 Avant GL 5S. Check it out here: VIN Key Code Generator.

Posted on August 06, 2024

Replies (3)

Pixelpusher
Member • 95 posts

Just tried this on my Audi 100 Avant GL 5S—anyone else have success?

August 06, 2024 Reply
Shadowfax
Member • 46 posts

My Audi 100 Avant GL 5S has the same problem—any luck getting the key code?

August 07, 2024 Reply
Steelwolf
Member • 144 posts

Where exactly do you find the key code on a Audi 100 Avant GL 5S?

August 08, 2024 Reply

Check the news !

Drag Racing Championship
🚗 Local Meetup: Drag Racing Championship
No trophies, just cool cars and cool people

📍 Where: Fairgrounds Parking Lot
📅 When: May 26 @ 12AM-8PM

Event features:
Photoshoot Area | Ride-Alongs

🔧 Forum Members: Don't forget to tag your photos #OurForumName 👋

🔧 Electrical Diagnostics Lab

👨‍🔧 Instructors:
• Detailer Extraordinaire Lisa Wong
• Paint Specialist Sarah Chen

🛠️ Hands-On Activities:
• Live engine tuning session
• 4-hour intensive training
• Personal coaching

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

🚗 May 17, 2026 at 10:00 AM (4-hour)

🔥 Take home custom workshop manual!

Workshop: Electrical Diagnostics Lab
Performance Engine Building 101

🏁 Performance Engine Building 101

🔧 Instructor: Engine Builder Mike O'Connor (1000+ HP builds)

💻 Workshop Includes:
• Budget performance hacks
• 6-hour comprehensive hands-on training
• Traction control tuning | Launch control setup

📈 Bonus: Access to tuning parameter database

⏱️ Next Session: May 6, 2026 at 10:00 AM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Warning: Cheap parts often cost more in the long run due to failures

Vehicle Information

Modification Information

Additional Options

🔑 Car Key & Fob FAQ

Common questions about key programming, fob issues, and replacement options

Lost Keys
Locksmiths or dealers can: 1) Decode your door or ignition lock to determine key cuts 2) Access your car's key code through manufacturer databases (with proof of ownership) 3) Program new transponder keys using diagnostic equipment.
Key Tip: Newer cars often require dealer programming for first key replacement
Key Fob Issues
1) Find the seam and pry open the fob (some have tiny screws) 2) Note battery orientation 3) Remove old battery (CR2032 is most common) 4) Insert new battery 5) Reassemble. Test all buttons - if issues remain, the fob may need reprogramming.
Key Tip: Keep spare keys in a faraday bag to prevent signal amplification theft
Key Fob Issues
Common causes: dead battery (most common), water damage, internal circuit damage, or the fob lost synchronization with your car. Try replacing the battery first. If that doesn't help, the fob may need reprogramming or replacement.
Key Tip: Replace key fob batteries every 1-2 years as preventative maintenance
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 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.
Key Tip: Keep spare keys in a faraday bag to prevent signal amplification theft
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 28, 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: 781-842-0122
Key Fob Repair & Battery Replacement
$25+
Posted: Apr 25, 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: 379-300-2846
Smart Key Programming Special
$150
Posted: Apr 22, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 371-268-1689
Key Fob Case Replacement
$35
Posted: Apr 29, 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: 538-610-7066
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 18, 2026

Transponder Key Tech Day

by Fob Fixers
Learn dealer-level programming techniques normally only available at franchise shops
Workshop
May 18, 2026

Immobilizer System Seminar

by Auto Key Masters
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Workshop
May 28, 2026

Anti-Theft System Demonstration

by Locksmith Pro
Learn how to extract key codes from VIN numbers and decode vehicle security information
Workshop
May 23, 2026

Car Security Certification Course

by Car Key Solutions
Learn dealer-level programming techniques normally only available at franchise shops

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