The Diagnostic Box

16/10/2026

TDB023 RF Module Tester Applications Update.

The TDB023 RF Module Tester is specifically designed to verify the operation and functionality of a wide range of RF modules used in automotive electronic systems.

15/10/2026

New Technical Bulletin

THE NEW PEUGEOT, CITROEN, OPEL AND VAUXHALL MODELS THAT USE THE NEW SECURE GATEWAY VSM CANNOT HAVE THE PIN CODE READ THROUGH THE OBD PORT LIKE OTHER MODELS.

13/10/2026

The video shows how to bypass the Secure Gateway Module to read the pin code on this Fiat based van. Step by Step procedure to easily connect The Diagnostic Box TDB094 cable. This procedure and software works on these models :

Vauxhall Movano
Opel Movano
Fiat Ducato
Fiat E-Ducato
Citroen Relay
Citroen Jumper
Peugeot Boxer
Peugeot Manager
Toyota Proace Max
Ram ProMaster
Iveco eSuperJolly

The video shows how to bypass the Secure Gateway Module to read the...

12/10/2026

🚗 💻 NEW VIDEO- SPEED LIMITING FEATURE! 🔧
Another great update from The Diagnostic Box!

In this video, we show how the TDB1000 can now read the vehicle data to determine whether speed limiting is fitted.

You can then modify the coding and add a new level of speed limiting or turn it off where supported. 👌

🔧 See What's possible with The Diagnostic Box and keep up to date with our latest software features and vehicle coverage.

📲 Want to know more? Get in touch with us today.

06/10/2026

🔑TDB087- SUZUKI IGNITION BYPASS CABLE 🔑

Working with Suzuki Proximity systems when no working key is available?
The TDB087 is designed to help get the ignition on and allow the key coding process to begin. 🚗

✅Designed for suzuki Proximity systems
✅Used When no working key is available
✅Helps initiate the key coding process
✅Designed to use with the TDB1000 ASSET Key Programmer

Another useful tool for automotive locksmiths from The Diagnostic Box! 🔧

📲Get in touch to find out more!

05/10/2026

Auto Locksmith Association Event 2026

A couple pictures from the event,

Thanks to everyone who stopped by and had a chat with us- it was great to see you!

05/10/2026

The video shows how to locate and test the RF module on the Range Rover 2014 Model Year. This simple guide shows where the RF module is located and how to access the RF module. The video then explains how to test the functionality of the system, the module and the keys. Using the TDB023 RF Module Tester, it is possible to easily identify any problems with the wiring, the keys or the module. Fast and efficient.

The video shows how to locate and test the RF module on the Range R...

17/09/2026

The video shows how to locate and test the RF module on the BMW Mini. This simple guide shows where the RF module is located and how to access the RF module. The video then explains how to test the functionality of the system, the module and the keys. Using the TDB023 RF Module Tester, it is possible to easily identify any problems with the wiring, the keys or the module. Fast and efficient
https://youtu.be/JrQ_kXgMVzQ?si=SxKC1tx8zLS_NtBM

The video shows how to locate and test the RF module on the BMW Min...

11/09/2026

🔑 TDB022 Frequency Identification Tester
The TDB022 Frequency Identification Tester has been designed to quickly and easily identify the operating frequency of compatible Hyundai, Kia and Genesis vehicle systems.
Simply hold the tester close to the vehicle's TPMS sensor and the TDB022 will identify whether the system is operating at 315 MHz or 433 MHz.
A simple, compact and practical tool for automotive locksmiths and key programming professionals who need to quickly establish the correct frequency before programming or supplying a replacement key.
Features:
📡 Identifies 315 MHz or 433 MHz frequency
🚗 Suitable for Hyundai, Kia & Genesis
🛞 Tests using the vehicle's TPMS sensor
🔋 Powered by 3 × AA batteries
⏱️ Automatic power-off after 1 minute
📦 Compact and lightweight design
🧰 Ideal for automotive locksmiths and key programmers