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
Xhorse VVDI Key Tool Plus now supports reading original VAG MQB49/5C and 5D key data to add a spare key function. Requirement: Update Key Tool Plus IMMO Database to V142, PROG database to V187 and newer version. If 5C… Continue Reading
MQB48, MQB49, 5C, and 5D refer to different generations/levels of immobilizer (IMMO) systems and dashboard types used in Volkswagen Group (VAG) vehicles on the MQB platform (VW, Audi, Skoda, Seat, etc.). What’s the difference between VAG MQB48, MQB49 5C… Continue Reading
How to add new Mercedes Benz FBS4 full keyless keys fast and easy with the Keydiy PAK09 Phone as Key — no more waiting 2–4 weeks! The job can be completed on the same day. Tools used: Original car key… Continue Reading
CG FC100 old harness only has two GPT lines, while the new DB15 harness has 4 GPT lines. Difference between 2 GPT wiring and 4 GPT wiring: The new harness adds 2 lines (GPT 2 & GPT 3) for… Continue Reading
Problem: One of the Keydiy KD-X4 users failed to activate MQB license on the Android mobile phone. When choose pay method the App said the balance is not enough. How to fix? Solution: First, recharge your wallet, then deduct the… Continue Reading
We will share how to correctly clone the engine control units for Volkswagen and Audi Simos 18.x/ Simos 12.x/ Simos 8.5/ Simos 8.6. Cloning is a familiar process—reading data from the original vehicle module and writing it into a new… Continue Reading
Great news! Massive update! Autotuner supports the Continental SIM2K-250 ECU on a huge range of Korean vehicles. You can now tune the most popular performance models via OBD Virtual Read (VR), including: N Performance: Hyundai i30 N, Kona N, Veloster… Continue Reading
Tutorial: add VAG VW Audi MQB49/5C and 5D key using Keydiy KD-X4 key programmer step-by-step. Tools used: Keydiy KD-X4 programmer Original car key 5C 5D dedicated cable or KD circuit board to read key data New key to be… Continue Reading
What tool to program 2025/2024 Infinity QX60 (aka 2025/2024 Nissan Pathfinder) smart proximity key? Here is the clue. also applied to models like Sentra (B18) 2020+, Rogue T33 2020+, Xtrail T33 2020+, Pathfinder R53 2020+ and similar Infiniti models.… Continue Reading
The Keydiy ZB66 smart remote is a 3-button universal smart key designed as a direct replacement for original Peugeot, Citroën, and DS keys. Its primary selling point is its identical design and build quality to factory keys. The key feels robust, the… Continue Reading
If it is Audi A3 or Golf 2007-2009, all keys have lost, you need to read the flash from the instrument cluster Micronas CDC 3217g or 3297g and 24c32 eeprom file for CS code and full immo data. The flash data… Continue Reading
This article focuses on the key differences between the Xhorse and Keydiy MLB Tools. The comparison draws from hands-on testing, highlighting hardware design, usability, features, performance, and overall recommendations. Both tools ultimately perform the core functions effectively, but they differ… Continue Reading
How to distinguish whether an Audi key is type 5C or 5D? Here obdii365.com shares an easy guide to tell Audi 5C and 5D key from its key shell. Remove key shell, check the interior of the key shell and… Continue Reading
Good news! Keydiy VAG 5C 5D function is officially published on 11th, January 2026. New Updates: VW Audi Porsche 5C 5D add key (add key only, reading original key data and learn key) Full series BDC2/BDC3/LCD/U Chassis BCP key… Continue Reading
