[Solved] Need key code after repo of my 1991 Cadillac DeVille Sedan White

4365 views - Last reply: September 30, 2024
This topic is closed for new replies.

Where's the key code stored to program keys for a 1991 Cadillac DeVille Sedan White?

Hello! We've developed a VIN-based tool to help you get your key code for the 1991 Cadillac DeVille Sedan White. Check it out here: VIN Key Code Generator.

Replies (6)

Really need the key code for my 1991 Cadillac DeVille Sedan White, thanks for sharing!

Just what I needed! My 1991 Cadillac DeVille Sedan White has been acting up lately.

Really hoping this unlocks my 1991 Cadillac DeVille Sedan White's mystery code.

Will this work for older 1991 Cadillac DeVille Sedan Whites? Mine's a 2009.

Following this for my 1991 Cadillac DeVille Sedan White. Please update if it works!

This trick worked for my buddy's 1991 Cadillac DeVille Sedan White. Giving it a go myself.

Check the news !

JDM Enthusiasts Meet
🚙 Local Meetup: JDM Enthusiasts Meet
A gathering for true gearheads and petrolheads

🏁 Where: Local Race Track
📆 When: June 21 @ 11AM-5PM

Event features:
Photoshoot Area | Ride-Alongs

⚙️ Forum Members: Let us know if you're bringing your project car! ✨

🔧 Track Prep & Safety Session

👨‍🔧 Instructors:
• Safety Inspector Robert Yang
• Paint Specialist Sarah Chen

🛠️ Hands-On Activities:
• Panel beating and dent repair
• 4-hour intensive training
• Personal coaching

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

🚗 June 4, 2026 at 12:00 PM (4-hour)

🔥 Lunch and refreshments included!

Workshop: Track Prep & Safety Session
Race Car Setup Seminar

🔋 Race Car Setup Seminar

🧰 Instructor: Turbocharging Specialist Marco Rodriguez

📱 Workshop Includes:
• Track vs street setup comparisons
• 6-hour comprehensive hands-on training
• Suspension geometry | Weight transfer | Damping rates

📉 Bonus: Free dyno pull for first 10 signups

🔌 Next Session: June 3, 2026 at 9:00 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 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: Keep spare keys in a faraday bag to prevent signal amplification theft
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: Store your key code separately from your keys
Cost & Options
You can buy fobs online, but: 1) Must match your exact model/year 2) Many still require professional programming 3) Cheap knockoffs may not work reliably. Some eBay/Amazon sellers offer programming instructions for DIY-friendly models.
Key Tip: Always have at least two working keys to avoid expensive replacements
Key Programming
Some vehicles allow DIY key programming using specific sequences (like turning ignition on/off with original keys). However, most modern cars require specialized equipment only locksmiths or dealers have. Check your owner's manual for your specific model.
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).
Key Fact: Some insurance policies offer key replacement coverage

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: May 18, 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: 726-770-8122
Transponder Key Duplication
$65+
Posted: May 18, 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: 816-359-2012
Smart Key Programming Special
$150
Posted: May 24, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 854-824-3247
Anti-Theft System Repair
$85+
Posted: May 25, 2026
Fixing security light issues, PATS systems, and ignition immobilizers. Proper diagnosis before repair. Most vehicles serviced same day. Warranty on all work.
Call: 546-928-5249
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
Jun 10, 2026

Transponder Key Tech Day

by Auto Key Masters
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles
Seminar
May 29, 2026

Car Security Certification Course

by Car Key Solutions
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles
Workshop
Jun 22, 2026

Dealer-Level Programming Workshop

by Immobilizer Experts
In-depth class covering push-to-start systems and proximity key programming techniques
Workshop
Jun 18, 2026

Anti-Theft System Demonstration

by Mobile Key Tech
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles

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