How to Code a New Renault Key with Renolink

🧰Why Learn Key Programming?
Imagine being locked out of your Renault or Dacia simply because the key wasn’t programmed. Replacing and coding a key at the dealership can cost hundreds and take days. But with a tool like Renolink 2.12, you can code a new key from the comfort of your home or workshop — whether you’re a complete beginner or a seasoned technician.
This guide walks you through everything you need: from tools and software setup to key programming and testing. Let’s get started.
🔧 What Is Renolink and What Does It Do?
Renolink is a powerful diagnostic and programming software designed specifically for Renault and Dacia vehicles. It allows users to:
- Program new keys and remotes
- Unlock ECUs
- Reset airbags
- Clear crash data
- Reset immobilizer systems
✅ Key Features for Key Programming
- Add or remove keys
- Program without pin code for most models
- Compatible with CAN and K-Line protocols
🚗 Supported Renault and Dacia Models
Renolink supports hundreds of Renault & Dacia models from 2006 to 2020, including:
- Renault Clio, Megane, Scenic, Kangoo
- Dacia Logan, Sandero, Duster
📚 Full model compatibility and updates can be found here →

🛠 Tools You’ll Need to Get Started
Before you begin coding a new key, make sure you have the right setup.
🖥 Renolink 2.12 Software
You’ll need version 2.12 or later, properly activated.
➡️ Get Renolink software here
🔌 OBD2 USB Interface
The software must be used with a compatible USB OBD interface adapter.
➡️ Check available tools
🔑 A New Blank Renault or Dacia Key
Make sure the chip inside matches your car’s immobilizer type.
💻 A Windows Laptop
Renolink ONLY works on Windows OS — preferably Windows 10 or higher (64-bit).
🌐 Driver Installation Tools
You may need to install USB-to-Serial drivers (CH340 or FTDI).
🚗 Preparing Your Vehicle for Key Coding
Preparation is crucial before jumping into the programming process.
🔍 Locate the OBD2 Port
Usually found under the dashboard near the steering wheel.
⚡ Ensure Proper Battery Health
Low voltage can lead to failed programming or damage. Ensure vehicle voltage is above 12.6V.
💾 Back Up ECU Data (Optional)
Using Renolink, you can read and save existing ECU data for safety.
➡️ Follow our detailed backup guide
👨💻 How to Code a Renault Key Using Renolink
Ready to dive in? Follow these steps:
1️⃣ Install & Launch Renolink 2.12
- Download software and activate it
- Install recommended drivers
➡️ Activation help here
2️⃣ Connect to Vehicle via OBD2
- Plug your interface into the car and computer
- Wait for Renolink to detect the vehicle
3️⃣ Read Current Key Data
- Select your ECU/UCH module
- Read existing key info to validate communication
4️⃣ Add a New Key
- Insert your blank key into the ignition
- Use the “Add Key” function in Renolink
- Wait for confirmation (may take a few seconds)
5️⃣ Test the Key
- Attempt to start the car
- Check for any immobilizer warning lights

❗ Troubleshooting Common Errors
❌ Renolink Not Detecting ECU
- Check your drivers
- Make sure the OBD2 cable is connected properly
- Try another USB port
❌ Key Not Syncing
- Verify that key chip type matches your vehicle
- Attempt procedure again after battery charge
❌ Software Freezing Midway
- Ensure your antivirus/firewall isn’t blocking the software
- Restart computer, close all background apps
🎥 Watch Live Demo
Prefer visuals?
➡️ Watch our Key Programming Video Tutorial
⚠️ Safety & Legal Disclaimer
Do not use Renolink or any other programming tool to program keys for cars you do not own or have legal authorization to work on. Unauthorized use may result in criminal penalties.
📢 Need Help?
✅ Need personalized help with coding? Contact our support team
✅ Ready to start? Buy Renolink Tools & Keys Here
✅ First-time user? Check out our Beginner Tutorials
❓ Frequently Asked Questions (FAQs)
Q1: Can I program a Renault key without visiting a dealership?
Yes! With Renolink and the right tools, you can do it yourself.
Q2: Is it safe for vehicle electronics?
Yes, as long as your battery is strong and you follow procedures.
Q3: What models are supported by Renolink?
Most Renault and Dacia models from 2006 to 2020+.
➡️ Full compatibility guide here
Q4: Can I program multiple keys?
Yes, you can program additional keys without erasing existing ones — unless you choose to reset all.
✔️ Conclusion
Programming a new key for your Renault or Dacia no longer has to be expensive or time-consuming. With Renolink 2.12, a blank key, and basic tools, you can take control and code your own key — saving time, money, and stress.
If you’re ready to get started, visit our official shop or explore more tutorials on our blog. 🚗🔑