ECU Programmer Tech Support Blog

FormulaFlash ECU Programmer has officially released software version V1.1.1.0 on January 20th, 2026, bringing major protocol expansions and improved read/write capabilities across multiple ECU platforms. This update adds bench, boot, and OBD read/write with checksum support for a wide range of Toyota Gen 4, Ford, Continental/Siemens, and SIMOS ECUs—making FormulaFlash even more powerful for professional ECU tuning and repair work.

Below is a full breakdown of what’s new in this release.

FormulaFlash Software Upgrade Overview

Version: 1.1.0.0 → 1.1.1.0

Ford ECU Support (Bench Mode)

• ESU-415 (MPC561) – Bench Read / Write
• EMS2215 (TC1738) – Bench Read / Write

Continental / Siemens ECU Support (Boot Mode)

• EMS6104 (29F400BB) – Boot Read / Write + Checksum
• SIM2K-47 ECM (TCM AT, SAK-C167) – Boot Read / Write + Checksum
• SIM2K-47 TCM (AT, SAK-C167) – Boot Read / Write + Checksum

SIMOS Series

• SIMOS 15.10 – OBD Read / Write + Checksum

Toyota Gen 4 ECU Support (Bench Mode)
FormulaFlash V1.1.1.0 significantly expands Toyota Gen 4 coverage with full bench read/write and checksum correction, including:

• LC300 3.3TD – P5-UDS (F33A-FTV / R7F701216)
• LC300 / LX600 / Tundra 3.5T – P5-UDS (V35A-FTS / R7F702002)
• LS500 3.5T – P5-UDS (V35A-FTS / R7F702000)
• Tundra 3.5T Hybrid – P5-UDS (V35A-FTS / R7F702002)
• NX350 / RX350 / Highlander 2.0T & 2.4T – P5-UDS (S24A-FTS / T24A-FTS / R7F702002)
• ES200 / Camry / RAV4 / Wildlander (China) – 2.0L & 2.5L P5-UDS (M20A / M20C / M20D / A25A / R7F702002)
• LC250 2.7L – P5-UDS (2TR-FE / R7F701216)
• LC250 2.8TD – P5-UDS (1GD-FT)
• RX450h / Camry / Corolla / Vellfire
• Yaris GR 1.6T MCU #1 – P5-UDS (G16E-GTS / R7F701216)

Why This Update Matters
With V1.1.1.0, FormulaFlash continues to strengthen its position as a professional-grade ECU programming solution. The added Toyota Gen 4 bench support, SIMOS15.10 OBD operations, and enhanced Ford and Continental/Siemens protocols allow technicians and tuners to handle more vehicles with greater efficiency and reliability.
👉 Update your FormulaFlash software now to access these new ECU protocols and unlock the latest read/write and checksum capabilities.

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