Generate Original VW 5C/5D Dealer Key by Xhorse Multi-Prog

 Today, we’re going to show you how to use Xhorse Multi-Prog to read VW 5C 5D key data and generate a brand new dealer key. Both original keys and VVDI keys are supported, but we’ll be using an original key for this walkthrough.

Two super flexible methods are available: a traditional soldering connection or a handy solder-free adapter. Let’s dive in.

Method 1 –using the Soldering Route

Plug your Multi-Prog programmer into your computer

Run Multi-Prog software

Click on [Device] and look for [VW 5C Smart Model].

Follow the connection diagram to connect device

Solder the original key to the MCU cable as shown in the diagram.

Once everything’s connected, hit [Read] to pull the data from the original key.

When the read is successful, click [Save File] and save that data to your computer.

Now remove the original key and solder your new original key (the one you want to turn into a dealer key) onto the same points on the harness.

Click [Open File] and load the data file you saved earlier.

Click [Write].

That’s it! Your new key is now a fully functional dealer key.

Method 2 — using Solder-Free Adapter

Clamp the original key onto Xhorse MQB 5C 5D solder-free adapter.

Connect the MCU cable to your Multi-Prog ECU Programmer

Click [Read].

Once the read is done, click [Save File] to store the data on your computer.

Remove the original key from the adapter.

Clamp your new original key onto the adapter.

Click [Open File] and load the saved data file.

Click [Write].

After the write finishes, congratulations — your new key is now a dealer key.

What to Do Finally?

Now that you’ve got your dealer key ready, it’s time to head to the vehicle for key learning. For this step, make sure you have one of these tools on hand:

• Xhorse VVDI2
• Xhorse Key Tool MIDI
• Xhorse Key Tool Plus

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How to Synchronize NCF29AX Smart Key by KEYDIY KD-X4?

KEYDIY KD-X4 5-in-1 key programmer and KD-MAX have added support for NCF29AX series (NCF29A1, NCF29A4, NCF29A2, NCF2953, NCF29A3 and NCF2954) chip type synchronization.

This function requires C29AX71 Synchronization‑specialized Key (KD ZB71 smart remote) and allows users to read original key data for copying or adding smart keys.

Preparation:

• KEYDIY KD-MAX or KD-X4
• KEYDIY ZB71–4 smart remote (data must be written into it)
• KD #13 NCF29xx interface board
• Original key

Important Notes

• Update your KD App to the latest version before proceeding.
• This is not a simple read‑and‑copy procedure. Some keys require chip removal and soldering onto the KD board.
• There is no need to generate a remote program before reading key data.

Detailed Operation Instruction:

Step 1: Remove original car key chip

Disassemble the original smart key and carefully remove the NCF29Ax chip.

Step 2: Attach chip to KD #13 adapter

Solder the chip onto the KD #13 adapter, then connect the adapter to your KEYDIY KD-X4 or KD-MAX key tool.

Step 3: Read chip data

Navigate to: Remote Function → Smart Key Clone → Universal Smart Key Synchronization

This process synchronizes the original chip’s remote data and key ID to KD ZBX and ZB7 series smart keys.

After completion, the key works directly on the vehicle — no additional programming is required.

Alternative method:

Follow the provided wiring diagram to solder wires directly to the key board, read and save the data, then remove the adapter and re-solder the chip back to the original key.

Step 4: Write data to KD ZB71 remote

Use the 6‑pin programming cable to connect KD 29AX/29A7 smart card to KD-X4 key programmer.

Select "Generate dealer keys"

The process will complete successfully.

Then snap the key shell onto the KD ZB remote.

Key Advantage:

No need to program the key in the vehicle after writing KD remote.

Simply test both KEYDIY ZB71 smart remote key and the original key to confirm all functions operate normally.

 

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How to Use Yanhua Module 45 for VAG DQ38x_GEN2 Gearbox?

Yanhua has been released two ACDP Module 45 versions to for data reading/writing and mileage correction on 2022- DQ38x 0DE/0GC and DQ500 0DL (bootloader of BH1G401 and 7-PIN connector) gearbox ECUs. Check the detailed user guide below.

What Can Yanhua ACDP Module 45 Do?

• Read & write data — complete access to gearbox ECU information.
• Perform mileage correction — adjust odometer values accurately.
• Compatible exclusively with 2022+ VAG gearboxes, specifically:

DQ38x (0DE / 0GC)

DQ500 (0DL)

! Requirement: Bootloader BH1G401 + 7-PIN connector must be present.

How to Choose Yanhua Module 45?

• For Yanhua ACDP-1: choose ACDP1 Module 45 with License A60B (Item No. SK247–45–1)
• For Yanhua ACDP-2: choose ACDP2 Module 45 with License A60B (Item No. SK247–45)

Good news for existing Yanhua users.

If you already own any of the following:

• ACDP Module 19 or ACDP2 Module 19
• ACDP Module 25 or ACDP2 Module 25
• ACDP Module 30 or ACDP2 Module 30

Then you do not need to purchase additional Module 45 Adapter.

Simply buy Module 45 License (A60B) — and the new functions will be activated on your device immediately.

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KEYDIY KD-X4 Update: New Smart Card Synchronization & C29AX71 Key

 KEYDIY is thrilled to announce a major functional update for the KD-X4 Key Programmer. We are introducing the C29AX71 Synchronization-Specialized Key, designed to make smart key programming faster, easier, and more efficient than ever before.

Key Features & Benefits

• Global Compatibility: Covers over 75% of mainstream car models worldwide. Add new keys without needing to match them directly on the vehicle.
• Precision Adaptation: Perfectly adapts to the NCF29AX series original car keys.
• Seamless Keyless Support: Fully supports advanced keyless entry and start systems.
• One-Key Synchronization: Streamline your workflow with efficient, one-touch issuance. No need for multiple bulky devices.
• Simplified Process: Skip the complex programming and password checks. No specialized wiring harnesses are required.
• User-Friendly for All: Boosts locksmith efficiency significantly — so intuitive that even beginners can master car key synchronization.

Why Choose the KD-X4 Upgrade?

The KEYDIAY KD-X4 continues to push the boundaries of what’s possible in automotive security. By integrating the C29AX71 specialized key, we are removing the traditional barriers of technical complexity and hardware limitations.

Upgrade your KD-X4 today and experience the future of smart card synchronization!

Contact us

Email: sales@OBDexpress.co.uk

WhatsApp: +44 7418609676

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How to Generate VW 5C 5D Dealer Key by CGDI K2?

 Good news! CGDI K2 Smart Key Tool now lets you generate dealer keys for Volkswagen 5C and 5D models. Just make sure your device is running software version V5.7.0 or higher. This latest update (released April 2, 2026) also brings faster read/write speeds for BMW key functions. Plus, it’s a free update — no license activation needed.

Where to find it:

Go to More Function → VW 5C/5D

Choose your key type:

• Volkswagen Folding Key
• Volkswagen B8 Key
• Volkswagen Golf 8 Key
• Audi Key

How to generate each key type:

• For Volkswagen Folding Key

You’ll need a working key first. The new or used original key you’re programming must match the original in frequency and type.

Connect the "PS2 Remote Renew Cable" (or the 6-pin V2 version) following the wiring diagram to read the chip data.

Click "Start the operation" to begin.

Connection types:

• For Volkswagen B8 Key

Hook up the original car key per the wiring diagram, connect it to CGDI K2, and click "Continue" to read chip data.

Then connect the key you want to program (not the original), again follow the wiring diagram, and click "Continue" to write the data.

• For Volkswagen Golf 8 Key & Audi Key

Both follow the same steps as the Volkswagen Folding Key.

Volkswagen Golf 8 Key:

Audi Key:

Bonus — BMW key features added:

• Add BMW BDC2 blade key (working key required; use PS2 Remote Renew Cable or V2 6-pin)
• Add knife-style key for BMW BDC3
• U-Chassis / BCP add key
• Add display key

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CGDI A2 Mercedes-Benz IMMO Manual: Add Key & All Keys Lost

 The CGDI A2 is the next-generation professional key programming tool designed for efficiency and precision. This guide covers the core Mercedes-Benz Anti-Theft License functions, hardware requirements, and step-by-step operational workflows.

Supported Functions

Compared to CGDI MB, the CGDI A2 currently focuses on five essential pillars:

1. EIS (Lockhead) Reading/Writing
2. Password Calculation
3. Key Reading/Writing
4. Key File Generation
5. Wiring Diagrams

Note: Functions such as ELV Synchronization, reading brand new BGA keys, CGPKE key upgrades, and frequency switching are currently not supported in the initial version.

Required Hardware & Accessories

To perform these operations, ensure you have the following components:

• Main Unit: CGDI A2 Host
• Cables: OBD cable (with yellow clip) and Mini-USB data cable
• Adapters: BBA Adapter, Mercedes-Benz Simulator Key, and AC Fast Accumulator
• Wiring Harness: Standard AC harness (compatible with CGMB)

• Core Operational Procedures
• Reading/Writing EIS (via OBD)

Connect the CGDI A2 Key Programmer directly to the vehicle’s OBD port using the OBD cable.

Key Reading & Writing

• Connect the CGDI A2 to the BBA Adapter via USB cable.
• Insert the key into the BBA Adapter keyhole to begin the read/write process.

Password Calculation (Add Key)

Used when at least one working key is available.

1. Connect the device to the EIS via OBD cable.
2. Connect the BBA Adapter to the host via USB.
3. Insert the working key into the BBA Adapter.
4. Navigate to: Password Calculation -> Data Collection -> Add Key.

All Keys Lost (AKL) Procedures

Standard Mode:
Setup Requirements: Connect Host to EIS (OBD) + BBA Adapter (USB) + Simulator Key.
Software Path: Password Calc -> Data Collection -> AKL -> Auto Identify -> Standard Mode.

Fast Mode:
Setup Requirements: Connect Host to EIS (OBD) + BBA Adapter (USB) + Simulator Key + AC Fast Adapter.
Software Path: Password Calc -> Data Collection -> AKL -> Auto Identify -> Fast Mode.

Summary for Professionals

The CGDI A2 streamlines the Mercedes-Benz programming workflow by integrating a user-friendly interface with robust hardware. For "All Keys Lost" scenarios, utilizing the AC Fast Accumulator is highly recommended to significantly reduce data collection time.

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