Problem: After reading a Skoda MQB49 5C key with keydiy kd-x4, the chip no longer recognised. Anyone had similar issue? The coil copper wire affects the chip recognition? Solution: This is common on VAG MQB49 5c keys. The coil is… Continue Reading
Problem: Tried to clone the data from the knife shape key to the LCD key using Keydiy KD-X4, but unfortunately, I failed. After I read the data from customer Key (knife Shape) and saved it to my history records & then… Continue Reading
More and more devices can now add keys for VAG Porsche 5C and 5D systems. Among the more popular ones are XHORSE, KEDYI (KeyDIY), Yanhua ACDP, and AUTEL. Which device performs better for 5C/5D keys? Below are the respective features… Continue Reading
Keydiy KD-X4 key programmer released new software upgrade on March 24th, 2026. Supports unlocking VW Audi Sear Porsche SFD1 security gateway within the device automatically. The device can now directly obtain the SFD unlock token, eliminating the need to contact… Continue Reading
Problem: Added keyless entry to an 2023 Audi A3 8Y MQB49 5D system using Keydiy KD-X4 and now the keyless entry no longer works (locking and starting work). When I pull the handle, the LED on the key flashes, but… Continue Reading
Part I: How to tell VW Golf 8 style MQB49 5D key type from key boards? MQB49 5C vs 5D smart key The 5D key PCB has a different chip and also includes an additional acceleration sensor (keyless entry sensor). 5D key is not… Continue Reading
How change VAG MQB49 5C 5D Key ID to match original system in Keydiy KD-X4? This is a frequently asked questions of Keydiy MQB49 function. Here is the clue. First of all, need to disassemble and read original key data,… Continue Reading
Keydiy now launched KD FGB08 VAG MQB49 5D smart remote PCB with built-in program. It can be used to add 5D key without UWB function. How to program KD FGB08 5D key with Keydiy KD-X4? Check instruction here: First… Continue Reading
What is the difference between Keydiy KD-X4, KD-MP and KD-MAX? Some customers are unclear about the differences between KD devices. We will explain their distinctions here. The Keydiy KD-X4, KD-MP, and KD-MAX are all part of the KeyDIY lineup… Continue Reading
Keydiy KD-X4 and KYDZ tool which is better? Here is the clue. Overview of the Tools KeyDIY KD-X4 The KD-X4 is an upgraded all-in-one device from KeyDIY, combining the capabilities of KD Max, KD Mate, and KD Mini Prog.… Continue Reading
Here obdii365.com will share how to disassemble the Audi A3 style MQB49 5D smart key step by step. NOTE: To read original key data to add Audi MQB49 5D smart key with Keydiy KD-X4 or Xhorse vvdi key tool plus, you must use… Continue Reading
XHORSE and KEYDIY now both support adding keys by reading the original MQB49 5C 5D key data. Some customers have asked us how to disassemble the VW Golf 8 style 5D smart key. We introduce three methods for reference. Hope… Continue Reading
Problem: I can’t find the right shema for a 5c Skoda key in Keydiy KD-X4 App. The app key wiring does not match the key. Do you have the wiring for this key? Here is the clue. If your Skoda… Continue Reading
How to obtain Keydiy KD coins (points) and share coins with others? 1. How to obtain KD coins? 1). Finish user authentication, your account will receive 50 KD coins. (check: how to do Keydiy user authentication) 2). KD coins… Continue Reading
Problem: Connected Keydiy KD-X4 device with laptop via USB, got the KD App installed on Windows 11 system. Updated the KD-X4 firmware to latested version. Selected immobilizer programming- Volkswagen-selected by type-5C/5D immobilizer system, and started the process, but after starting,… Continue Reading
