MCKB125 NXP KILLER Adapter For Chery Kaiyi KYX3 Pro Cowin X3 X5 V7 KAIYI E5 Pro

MCKB125 NXP Smart Key Adapter for Chery Kaiyi / Cowin 2021

The MCKB125 NXP Adapter is a universal NXP key programming adapter designed for adding remotes on Chery Kaiyi and Cowin models, including the Kaiyi KYX3 Pro, Cowin X3, X5, V7 and Kaiyi E5 Pro (2021). It connects directly to the remote's NCF29xx board, so you can prepare a new key for adding quickly and safely.

Key Features

• Fit for all NCF29xx chip remotes: designed for Chery Kaiyi / Cowin remotes using NXP NCF29xx chips with ID4A transponder.
• Key remote adding: prepares the remote board for adding a new key to the vehicle.
• Solder-free connection: spring-loaded contact pins and two locking clamps hold the PCB securely in place.
• Clear pinout: labeled VCC, MSDA, WAKE, GND and MSCL headers plus a multi-pin connector for easy wiring to your programmer.
• Stable and reliable: durable PCB build (125-V1.0) for safe, repeatable programming.

Technical Specifications

Part Number	MCKB125
Adapter Type	NXP Smart Key Adapter
Supported Chip	NXP NCF29xx / ID4A
Remote Buttons	3 Buttons (Lock, Unlock, Trunk)
Pinout	VCC, MSDA, WAKE, GND, MSCL
Board Version	125-V1.0
Condition	New
SKU	TL42310

Reference Car Models

• Chery Kaiyi KYX3 Pro 2021
• Chery Cowin X3 2021
• Chery Cowin X5 2021
• Chery Cowin V7 2021
• Kaiyi E5 Pro 2021

How It Works

1. Remove the PCB from the Chery / Kaiyi remote shell.
2. Place the board on the MCKB125 adapter and lock it with the two clamps so the contact pins align with the test points.
3. Connect the adapter to your key programming tool using the labeled pins or connector.
4. Run the remote preparation/adding function in your programming software, then add the key to the vehicle.

Package Includes

• 1 × MCKB125 NXP Smart Key Adapter

Note: The key programmer and the remote key are not included. Please make sure your programming device supports this adapter before ordering.