[Verified] Is immobilizer PIN same across all 2003 Toyota Probox trims?

1063 views - Last reply: January 15, 2025
This topic is closed for new replies.

How can I retrieve my 2003 Toyota Probox's key code to make a spare key?

Hello! We've developed a VIN-based tool to help you get your key code for the 2003 Toyota Probox. Check it out here: VIN Key Code Generator.

Replies (4)

This trick worked for my buddy's 2003 Toyota Probox. Giving it a go myself.

If this works for my 2003 Toyota Probox, I owe you big time.

Trying to avoid a $300 fee at the dealer for my 2003 Toyota Probox.

Finally, something that might help with my 2003 Toyota Probox's key code issue!

Check the news !

Off-Road & 4x4 Jamboree
🏎️ Local Meetup: Off-Road & 4x4 Jamboree
No trophies, just cool cars and cool people

🗺️ Where: Fairgrounds Parking Lot
When: June 18 @ 12AM-7PM

Event features:
Photoshoot Area | Ride-Alongs

🔩 Forum Members: Don't forget to tag your photos #OurForumName 👍

🧰 Hands-On Engine Tuning Workshop

👨‍🏫 Instructors:
• Detailer Extraordinaire Lisa Wong
• Safety Inspector Robert Yang

🔌 Hands-On Activities:
• Differential rebuild workshop
• 4-hour intensive training
• Personal coaching

📅 Skills Covered:
Color matching | Clear coat application | Scratch repair

🚙 June 12, 2026 at 11:00 AM (4-hour)

✨ Take home custom workshop manual!

Workshop: Hands-On Engine Tuning Workshop
Race Car Setup Seminar

🔋 Race Car Setup Seminar

🧰 Instructor: Suspension Guru Alex Petrov

📱 Workshop Includes:
• Component selection guides
• 4-hour intensive hands-on training
• Suspension geometry | Weight transfer | Damping rates

📉 Bonus: Live Q&A replay available

🔌 Next Session: June 4, 2026 at 2:00 PM

Customize Your Tuning Focus:

🚀 Performance Mod Cost Estimator

Insight: Suspension mods should match your intended use (street vs track)

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).
Key Tip: Always have at least two working keys to avoid expensive replacements
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: Keep spare keys in a faraday bag to prevent signal amplification theft
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: Store your key code separately from your keys
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: Avoid exposing key fobs to water or extreme temperatures
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 Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: May 21, 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: 407-305-6670
Immobilizer System Reset
$95+
Posted: May 18, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 634-977-3524
Smart Key Programming Special
$150
Posted: May 18, 2026
Push-to-start key replacement for Toyota, Honda, Nissan, Ford. Includes programming and testing. Limited time offer - normally $200+. Call for availability.
Call: 267-560-5858
Key Fob Case Replacement
$35
Posted: May 18, 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: 938-226-4435
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
Jun 24, 2026

VIN Decoding Workshop

by Mobile Key Tech
Comprehensive guide to troubleshooting and resetting immobilizer systems in modern vehicles
Workshop
Jun 14, 2026

Anti-Theft System Demonstration

by VIN Decoder Pros
In-depth class covering push-to-start systems and proximity key programming techniques
Seminar
Jun 9, 2026

Dealer-Level Programming Workshop

by Mobile Key Tech
Learn how to extract key codes from VIN numbers and decode vehicle security information
Seminar
Jun 23, 2026

VIN Decoding Workshop

by Fob Fixers
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