FormulaFlash V1.2.1.0 Update: New DTC OFF Entries, Toyota Denso Gen1 Support & Expanded ECU Coverage
FormulaFlash is set to receive a major update to Version 1.2.1.0 on August 27, 2026. The latest update expands ECU read/write coverage, introduces new DTC OFF entries, and adds OBD/Bench support for Toyota Denso Gen1 ECUs, providing technicians with more options for ECU programming and diagnostics.
Formula Flash V1.2.1.0 Update Highlights
- 17 new DTC OFF entries
- Toyota Denso Gen1 OBD/Bench read and write support
- Additional ECU read/write protocols
These additions make Formula Flash a more versatile solution for ECU tuning, repair, cloning, and DTC-related operations.
1. User Center – 17 New DTC OFF Entries
Version 1.2.1.0 adds 17 new ECU entries for DTC OFF support, expanding the range of ECU files that can be processed through the User Center.
The newly supported entries include:
- EDC15C11
- EDC15GP
- EDC15V
- EDC15C2
- EDC15C3
- EDC15C4
- EDC15C5
- EDC15C6
- EDC15C7
- EDC17C13
- EDC15M
- EDC15M1
- EDC15VM
- EDC17C74
- EDC17C46
- EDC17C64
- EDC17C54
With these additions, FormulaFlash ECU TCU Programmer users have broader DTC OFF coverage for supported ECU families.
2. Toyota Denso Gen1 – New OBD/Bench Read & Write Support
One of the major highlights of this update is the introduction of Toyota Denso Gen1 OBD/Bench read-write support.
The update adds support for the Toyota Denso Gen1 black ECU family, allowing technicians to perform read and write operations through supported OBD or Bench procedures.
This new coverage can be particularly useful for ECU repair, backup, cloning, and programming workflows involving compatible Toyota Denso Gen1 ECUs.
3. Additional ECU Read/Write Support
Formula Flash V1.2.1.0 also expands ECU protocol coverage with several additional models:
| ECU | Mode |
|---|---|
| EMS2212 | BOOT |
| EMS2215 (TC1767) | BOOT |
| EMS2219 | BOOT |
| IAW 6LP1 | BOOT |
| IAW 6LP2 | BOOT |
| IAW 6LP8 | BOOT |
| ME7.4.9 | BOOT |
| MT35E | BENCH |
| SID 803 KLINE | OBD / BENCH |
| MJD 602 KLINE | OBD / BENCH |
This expanded protocol list gives ECU technicians more flexibility when working with different ECU generations and communication methods.
More Flexible ECU Programming
With the V1.2.1.0 update, FormulaFlash continues to expand its coverage across DTC OFF, BOOT, OBD, and BENCH operations.
The combination of new DTC OFF entries, Toyota Denso Gen1 support, and additional ECU protocols makes this update a valuable upgrade for professionals working with ECU repair, programming, cloning, and file modification.
Formula Flash V1.2.1.0 at a Glance
Update Date: August 27, 2026
Version: 1.2.0.0 → 1.2.1.0
Key Updates:
- 17 new DTC OFF entries
- Toyota Denso Gen1 OBD/Bench read-write support
- 10 additional ECU read/write protocols
- Expanded BOOT, BENCH, OBD, and KLINE coverage
FormulaFlash V1.2.1.0 delivers broader ECU coverage and more programming options, helping automotive technicians handle more ECU-related jobs with greater flexibility.
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