Toyota 4D Key Tool - ECU EEPROM IMMO Key Service Software v1.1

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Toyota 4D Key Tool - Immo Repair & Key Generation​

A specialized utility to repair immobilizers and generate transponder keys for 2005-2010 Toyota vehi

Toyota 4D Key Tool V1.1 is a specialized utility for immobilizer repair and key generation for a range of Toyota vehicles, primarily from the 2005-2010 model years. The software's main function is to generate new transponder key data from an EEPROM dump file that has been read from the vehicle's immobilizer ECU (also known as the Transponder ID ECU).

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Frequently Asked Questions​

Which Windows version is recommended?
For maximum stability during ECU flashing and diagnostics, a clean installation of Windows 10 (64-bit) is recommended.
Is it compatible with J2534 PassThru?
Most modern software versions support standard J2534 interfaces like Scanmatik 2 Pro, OpenPort 2.0, and specific VCI adapters.

What's inside:

• Overview & screenshots
• Version history and compatibility
• Download link and setup notes

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