[Recommended Fix] How to extract transponder code from my Harley Davidson FLHTC C 1340 ECU?

4984 views - Last reply: September 18, 2024
This topic is closed for new replies.
Purplerain
Member since March 2023 • 146 posts

How do I retrieve the key code for my Harley Davidson FLHTC C 1340 to program a key?

Posted on September 18, 2024
Adminbot
Staff Member • 1913 posts

Hello! We've developed a VIN-based tool to help you get your key code for the Harley Davidson FLHTC C 1340. Check it out here: VIN Key Code Generator.

Posted on September 19, 2024

Replies (4)

Flashgordon
Member • 31 posts

Anyone have luck with this on a 2015 Harley Davidson FLHTC C 1340?

September 19, 2024 Reply
Goldeneye
Member • 75 posts

Thanks! Been struggling with this on my Harley Davidson FLHTC C 1340 for a while.

September 20, 2024 Reply
Purplerain
Member • 95 posts

Struggling with the same issue on my Harley Davidson FLHTC C 1340, following this thread.

September 21, 2024 Reply
Emeraldcity
Member • 65 posts

Trying to reprogram a new key for my Harley Davidson FLHTC C 1340—need the code first.

September 22, 2024 Reply

Check the news !

Annual Muscle Car Meetup
🏎️ Local Meetup: Annual Muscle Car Meetup
The event local car fans have been waiting for

🗺️ Where: Shopping Mall Parking Lot
⏰ When: May 8 @ 11AM-6PM

Event features:
Club Displays | Trunk Swap Meet

🔩 Forum Members: Check our forum thread for latest updates! 👍

🔩 Performance Modding 101

👩‍🏭 Instructors:
• Safety Inspector Robert Yang
• 4x4 Builder Mark Jensen

⚙️ Hands-On Activities:
• Roll cage installation demo
• 6-hour intensive training
• Personal coaching

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

🏎️ May 21, 2026 at 9:00 AM (6-hour)

💡 Early registrants get preferred work bay access!

Workshop: Performance Modding 101
Suspension Tuning for Speed

🏁 Suspension Tuning for Speed

🔧 Instructor: Dyno Operator of the Year Dave Wilson

💻 Workshop Includes:
• Budget performance hacks
• 4-hour intensive hands-on training
• Turbo sizing | Intercooling | Wastegate control

📈 Bonus: Certificate of completion

⏱️ Next Session: May 12, 2026 at 9:00 AM

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
Most transponder keys and smart keys can be reprogrammed if they haven't been damaged. Basic mechanical-only keys (no chip) can't be reprogrammed - they must be physically cut to match your locks.
Key Tip: Keep spare keys in a faraday bag to prevent signal amplification theft
Key Programming
Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
Key Tip: Consider key insurance for expensive smart keys
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).
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: Keep spare keys in a faraday bag to prevent signal amplification theft
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 Fact: Smart keys use radio frequencies between 125 kHz and 2.4 GHz

🔑 KEY SERVICES CLASSIFIEDS

Key Fob Repair & Battery Replacement
$25+
Posted: Apr 22, 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: 209-474-9595
Immobilizer System Reset
$95+
Posted: Apr 25, 2026
Fix "key not detected" errors and immobilizer issues. Dealer-level diagnostic equipment. Can often repair without replacing entire system. Free estimates.
Call: 263-356-1038
Car Key Extraction Service
$45+
Posted: Apr 29, 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: 767-650-5847
Vintage Car Key Restoration
$55+
Posted: May 1, 2026
Specializing in classic car keys (pre-1990). Can reproduce hard-to-find keys for antique vehicles. Museum-quality work for collector cars.
Call: 256-664-6091
Ads refreshed daily • Licensed professionals • Mobile services available

🔑 Upcoming Key & Immobilizer Services

Workshop
May 29, 2026

Transponder Key Tech Day

by VIN Decoder Pros
Hands-on experience with the newest transponder key cloning and programming equipment
Seminar
May 19, 2026

Mobile Key Programming Clinic

by Locksmith Pro
Live demonstration of the latest anti-theft technologies and bypass prevention methods
Seminar
May 21, 2026

Anti-Theft System Demonstration

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

VIN Decoding Workshop

by VIN Decoder Pros
Learn how to extract key codes from VIN numbers and decode vehicle security information

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