Key Programmer for Toyota And Lexus OBD II 4D 4C Keymaker for Lost Keys And Key Replacement

The Toyota Lexus Key Programmer OBD II 4D 4C Keymaker is a compact, professional-grade tool designed to restore access when keys are lost and to simplify key management for Toyota and Lexus vehicles. Using a direct OBD connection, this device safely interfaces with the car’s anti-theft system, enabling you to add new keys or reinitialize the system without compromising the alarm. It supports all Toyota and Lexus smart key systems through K-line and CAN-BUS protocols and works with all 4D chip configurations. A quick, efficient solution, it can program a new key in about 10 seconds and maintains the integrity of the vehicle’s security features.

Note: This item is unstable; please contact us to confirm before you place the order if you are not sure. The programmer is designed for ease of use, operating directly via OBD with no button presses required on the device itself. It supports all Toyota 4D chips and uses the original key programming protocol, avoiding generic initialization methods. For best results, please read the operation instructions and important notices before attempting key programming.

Main Description

Key benefits include fast key provisioning, minimal downtime, and assurance that the anti-theft system remains uncompromised during programming. Whether you’re replacing a lost key, adding a spare for a busy family or fleet, or initializing a system with only the valet key, this tool covers all common scenarios for Toyota and Lexus smart key systems. Because it communicates through the vehicle’s OBD port, it eliminates the need for additional software steps or external interfaces, streamlining the process for both professionals and confident car owners.

Benefits & Tips

• 2-in-1 capability: add new smart keys and manage existing keys without full system reprogramming.
• Time-saving workflow: typical key programming completes in roughly 10 seconds per key, reducing downtime.
• Smart key compatibility: supports Toyota and Lexus smart key systems across K-line and CAN-BUS protocols for broad vehicle coverage.

Practical tips: always start by reading the operation instructions and important notices before attempting key programming. Use the main key to initiate the process, listen for the indicated beeps and LEDs, and allow the system to enter add-key or initialization mode as described. If you’re unsure about a vehicle’s system status, contact support before proceeding to avoid unnecessary trouble.

Product Specifications

• Brand Name: YIQIXIN
• Choice: Yes
• Supports all key loss scenarios and safe anti-theft system operation
• Function: Use the main key to add other keys; add smart key; initialize when all keys are lost or only valet key remains
• Protocols: K-line and CAN-BUS
• Smart Key support: All Toyota and Lexus smart key systems; supports 4D chip programming
• Chip compatibility: All Toyota 4D chips (including 4D before 2008)
• Interface: OBD II connection for direct vehicle communication
• Note: The item is potentially unstable; confirm compatibility before ordering if unsure

Package includes:

• Smart Key Maker OBD II device

Warnings / Reminders

• Please read the operation instructions and important notices before making a key.
• This item is unstable; contact us to confirm compatibility before you place the order if you are not sure.

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