NXP Smart Key Adapter P/N: MCKB043 For Cadillac 2021 2024

NXP Smart Key Adapter P/N: MCKB043 For Cadillac 2021 2024

The MCKB043 is a universal NXP key programming adapter designed for adding smart remotes to Cadillac 2021–2024 vehicles. It creates a stable, direct connection between the remote's circuit board and your key programming tool, making the remote adding process faster and more reliable.

Key Features

• Fits all NCF29xx chip remotes
• Designed for smart key remote adding
• Stable and reliable connection during read/write
• Safe operation with clearly labeled contact points
• Two adjustable clamp arms hold the remote PCB firmly against the pins
• Board outline shaped to match Cadillac smart remote boards
• Board version 43-GM-V1.0
• Supplied in a protective plastic storage case

Connection Points

The adapter board includes labeled pins and a header for direct wiring:

• MSCL / SCL – clock line
• MSDA / SDA – data line
• VCC – power supply
• GND – ground
• WAKE – wake-up signal

What's Included

• 1 x MCKB043 NXP smart key adapter board with clamp arms
• 1 x Protective plastic case

Important Notes

• This is an adapter board only — a compatible key programming device is required.
• The smart remote/key is not included.
• For professional automotive locksmith use.