How to Solve KEYDIY KD-X4 VAG 5C 5D Function Login Reminder Error?
One customer gave feedback that he failed to add key to VAG 5C/5D, the following is his operation process:
1. Used USB cable to connect Keydiy KD-X4 key programmer and a computer
2. Installed KD App on WIN11
3. Updated KD-X4 firmware to the newest version
4. Selected immobilizer programming- Volkswagen-selected by type-5C/5D immobilizer [...]
How to Add a New Smart Key to a 2023 Toyota Using Lonsdor K518 Pro
LONSDOR K518 Pro key programmer allows technicians to add a new smart key to a 2023 Toyota quickly and safely through the OBD port, without deleting existing keys.
To begin [...]
KEYDIY KD-X4 Add VW Audi 5D Transponder Key
How to use KEYDIY KD-X4 to add a 5D transponder key to Volkswagen and Audi?
Check the detailed operation below.
Required Hardware:
KEYDIY KD-X4 5-in-1 Key [...]
CG FC200 DAP Harness Upgrade for SIMOS 18 ECUs with 4 GPT Lines Explained
Why SIMOS 18 ECUs Fail on the Old CGFC 200 Harness
The new CG FC200 DAP tool supports the ECU, but programming fails during identification, reading, or writing.
The [...]
Lonsdor BM3S Universal Smart Key for BMW G Chassis Vehicles
Lonsdor BM3S Universal Smart Key is a professional solution designed for BMW G-Chassis vehicles equipped with BDC2, BDC3, and BCP systems. It supports a wide range of BMW [...]
CGDI CG100X Calibrate Mileage on Toyota Levin 2019 S6J3001 CAN Success
Use CGDI CG100X ECU Programmer to calibrate Toyota Levin 2019 S6J3001 mileage from 6666km to 8888km via CAN mode successfully!
Prerequisites:
CG100X with software [...]
How to Replace Nissan 07A Gearbox TCU Using Yanhua ACDP Module 43
This guide explains how to replace a Nissan 07A gearbox using Yanhua ACDP2 and Yanhua module 43 by reading and writing TCM data from the original gearbox to a replacement [...]
Keydiy KD-X4 Add VAG 5C/5D and BMW BDC2 Key Tips and Guide
KEYDIY KD-X4/KD-MAX can support all BMW BDC2/BDC3/BCP and VAG 5C/5D key cloning function. Check the simple guide and tips to perform this function.
Kindly notice:
1. VAG [...]
KEYDIY KD-X4 2026 Coverage Full Series 5C/5D BDC/BCP LCD Key Upgrade
We're thrilled to announce major upgrades for the KEYDIY KD-X4 Key Programmer! These enhancements make key programming and cloning for European vehicles simpler, faster, and [...]
Xhorse VVDI Super Chip Comparison XT27A vs XT27B vs XT57B for Professional Locksmiths
Although Xhorse XT27A, XT27B, and XT57B look similar, they are designed for very different vehicle generations and workshop needs. This comparison is based on real-world [...]
OBDSTAR DC706 Read & Write NISSAN BED420-400 ECM on Bench
This post shows how to use OBDSTAR DC706 to read and write NISSAN BED420-400 ECM on Bench.
Preparation:
NISSAN BED420-400 ECM
OBDSTAR ECU Bench Jumper
OBDSTAR [...]
CGDI FC200 ECU Programming Device Update V1.3.3.1
The latest CGDI FC200 update to version 1.3.3.1 brings powerful new features for ECU technicians, expanding support across Porsche, VAG group, and Chinese brands.
1. Key [...]
KEYDIY KD-X4 Add BMW BDC3 Encrypted (Mexico) Key
How to use KEYDIY KD-X4 to add a BMW BDC3 Encrypted (Mexico) key?
Here we will show the method through reading original key data, and also provide a dedicated wiring [...]
Autel IM508S with XP400 Pro vs Xhorse Key Tool Plus Honest Comparison
In the world of automotive diagnostics and key programming, the Autel IM508S with XP400 Pro and Xhorse Key Tool Plus are two popular choices often compared by technicians and [...]
KEYDIY Will Update VW 5C/5D Key Adding for KD-X4 & KD-MAX Soon!
KEYDIY KD‑X4 and KD‑MAX Key Tool will soon launch a direct key-adding/programming feature for VW 5C/5D and Porsche 5D systems, etc. This new function requires no [...]
Yanhua YH35XX Programmer Solve Mileage Reversion on BMW F-Series
In a practical example shared by technicians, a customer adjusted the dashboard mileage from around 122,659 miles to 61,202 miles using Yanhua YH35XX Programmer and simulator. [...]
CG FC200 with DAP Adapter Read Toyota DENSO ECU via Boot
Q: I have a Toyota 89661-36190 ECU with DENSO 275036-xxx 76F0039GD, can I use CG FC200 to read it in boot mode?
A: Yes, make sure your FC200 software is updated to [...]
Choosing the Right EngineDance Tool: X5 Diag vs. X5 vs. X5 Box vs. EBS Scanner
Selecting the ideal diagnostic tool for commercial vehicles can be overwhelming. EngineDance provides a lineup of professional-grade devices designed to meet various workshop [...]
Yanhua YH35XX Programmer BMW Odometer Mileage Correction Steps
This post demonstrates Safe BMW mileage correction with Yanhua YH35XX Programmer: Step-by-step guide to read/write 35128/35160WT chips using simulator – no red dot, [...]
Lonsdor K518 Pro with HD30 Smart Key Program 2024 Honda CRV via OBD
This post demonstrates how to generate and program a new key for a 2024 Honda CRV using Lonsdor K518 Pro with HD30 smart key.
Requirement:
Original Honda CRV key
[...]
OBDSTAR DC706 ECM Read and Write Guide for Toyota Denso
In this post, OBDSTAR DC706 demonstrates a complete data read and write process for Toyota/Daihatsu Denso 89561-B2120 ECM, providing technicians with a practical reference for [...]