Register and request PUK for your Trailer Immobilizer system.
Step-by-step Instructions
1. Register or login to your account via the portal
2. Identify your Modulator serial number
![](https://wabco-solutioncentre.com/wp-content/uploads/2021/05/rtaImage-3-1.png)
3. Request PUK by filling your serial number and other information
![](https://wabco-solutioncentre.com/wp-content/uploads/2021/05/rtaImage-7.png)
You will receive your PUK via email.
4. Go to “Set PIN by PUK”
![](https://wabco-solutioncentre.com/wp-content/uploads/2021/05/rtaImage-1-1.png)
5. Set up your PIN using the PUK you received
![](https://wabco-solutioncentre.com/wp-content/uploads/2021/05/rtaImage-2-1.png)
6. Lock and unlock trailer
![](https://wabco-solutioncentre.com/wp-content/uploads/2021/05/rtaImage-4-1.png)