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Automotive ECU Tools

FormulaFlash O2 Off Function for ME7.8.8 ECU

How to perform ME7.8.8 ECU O2 OFF for Chinese cars ChangAn, Geely, Changecheng etc using FormulaFlash programmer?

O2 OFF:

"O2 off" generally means the oxygen sensor has been deliberately turned off, or the computer is detecting that it’s not working properly. This can happen in two very different ways: through a custom engine tune, or because of a mechanical/electrical failure.

1. Connect ECU

Run Formulaflash software.

Quick search ME7.8.8 ECU.

Check wiring diagram.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

Set up boot connection according to the diagram.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

2.Read ECU

Hit Connect and unlock protection 5 times at least 15s between each attempt.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

Read and save eeprom & flash after unlocking.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

3. Process Data

Visit FormulaFlash data processing user center.

Go to user center. Upload original data to do O2 off or DTC off etc.

Select Data Processing- HO2 Oxygen Sensor System.
Input device S/N, Vehicle info, upload original DTC data/HO2 data to process data.
Hit Carry Close.
Copy link to paste in a new page, it will download the modified data automatically.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

4.Write ECU

Back to connect ECU again. Unlock protection for 5 times.

Then write the modified data with Formulaflash software.


Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash
Hyundai ME17.19.21.1 ECU IMMO OFF by FormulaFlash

FormulaFlash Bench Read Write Guide for GM E88 ECM

Formulaflash sofwtare v1.1.70 has new support for GM ACDelco E88 / E90 / E93 ECUs. Here iECUTool.eu will show how to read and write GM E88 ECU with FormulaFlash programmer?


FormulaFlash Read and Write GM E88 ECM on Bench

Run Formula Flash software. Choose E88 ECU type and select bench mode.


FormulaFlash Read and Write GM E88 ECM on Bench

Check the connection diagram.


FormulaFlash Read and Write GM E88 ECM on Bench
FormulaFlash Read and Write GM E88 ECM on Bench

Connect 6 wires: 3x VCC, CAN-H, CAN-L and GND.

Set up bench connection.


FormulaFlash Read and Write GM E88 ECM on Bench
FormulaFlash Read and Write GM E88 ECM on Bench
FormulaFlash Read and Write GM E88 ECM on Bench

Hit "Connect" to build a connection between device and ECU.


FormulaFlash Read and Write GM E88 ECM on Bench

The ECU has been decrypted. So we can read ECU.

Read and save ECU data.

Then write ECU.

Formula flash also does checksum correction.


FormulaFlash Read and Write GM E88 ECM on Bench
FormulaFlash Read and Write GM E88 ECM on Bench

FormulaFlash V1.1.9.0 Add Ford SID211 SID212 Bench Protocols

FormulaFlash ecu programmer new bench protocol is coming: Ford Continental SID211, SID212 & SID212EVo.

FormulaFlash Update

v1.1.9.0
Release Date: 31.07.2026

What’s New?

  • New Bench Mode support for Ford SID211/ SID212 / SID212EVO (TC297TP) ECUs
  • Real Read & Write
  • Checksum Support

Present for years on numerous diesel applications, including SID211, SID212 ECUs represent one of the most requested solutions among workshops specialised in calibration and electronic programming.

Technical focus

  • Connection: BENCH
  • ECU: Continental SID212/SID211
  • Production years: from 2017
  • Brands involved: Ford

Supported vehicle list:

  • Transit
  • Transit Custom
  • Ranger
  • Focus IV
  • Kuga III
  • Tourneo
  • Mondeo

FormulaFlash V1.1.9.0 Update Ford SID211 SID212 Bench Protocols
FormulaFlash V1.1.9.0 Update Ford SID211 SID212 Bench Protocols

FormulaFlash Update 1.1.2.0 Expands ECU Coverage

FormulaFlash ecu programmer will release a new software version 1.1.2.0 soon.

Add 25 new Hardcore update:

V1.1.2.0 (Jan, 13th, 2026)
DETAILED UPDATE NOTES
NO.1 Agco
Car Model

DT Series 2008 EDC7UC31 (Bench/CheckSum)
DT-A Series 2005–2008 EDC7UC31 (Bench/CheckSum)
DT-B Series 2009–2010 EDC7UC31 (Bench/CheckSum)
Gleaner 2000–2016 EDC7UC31 (Bench/CheckSum)

RT Series 2008 EDC7UC31 (Bench/CheckSum)
RT-A Series 2006–2011 EDC7UC31 (Bench/CheckSum)

NO.2 Agrale
Car Model

10000 Series 2012–2016 EDC7UC31–14M0 (Bench/CheckSum)
14000 Series 2012–2016 EDC7UC31–14M0 (Bench- CheckSum)
8 Series 2008 EDC7C1 (Bench/CheckSum)
Omnibus 2004–2016 EDC7UC31–14M0 (Bench/CheckSum)
Omnibus 2007–2016 EDC7UC31–14M0 (Bench/CheckSum)

Omnibus 2008 EDC7C1 (Bench/CheckSum)
Omnibus 2005–2016 EDC7UC31–14M0 (Bench/CheckSum)
Omnibus 2008–2012 EDC7C1 (Bench/CheckSum)
Omnibus 2009–2016 EDC7UC31–14M0 (Bench/CheckSum)

NO.3 CASE Tractors
Car Model

Afc 2008 EDC7UC31 (Bench/CheckSum)
Afx 2008 EDC7UC31 (Bench/CheckSum)
Ih Maxxum 2011 EDC7UC31 (Bench/CheckSum)
Ih Steiger 2007 EDC7UC31 (Bench/CheckSum)
Puma 2014 EDC7UC31 (Bench/CheckSum)
Puma 2013 EDC7UC31 (Bench/CheckSum)
Series 3 2014 EDC7UC31 (Bench/CheckSum)
Stx 2013 EDC7UC31 (Bench/CheckSum)

NO.4 Case Ih
Car Model

Axial-Flow Combines 1998–2016 EDC7UC31 (Bench/CheckSum)
Farmall 100A Series 2012–2016 EDC7UC31 (Bench/CheckSum)
Farmall 100SA Series 2012–2016 EDC7C1/C2 (Bench/CheckSum)
Farmall C Series 2008–2015 EDC7C1/C2 (Bench/CheckSum)
Farmall Series 2009–2012 EDC7C1/C2 (Bench/CheckSum)
Farmall U Series 2008–2016 EDC7C1/C2 (Bench/CheckSum)
Farmall Utility Series 2008–2011 EDC7C1/C2 (Bench/CheckSum)
JXU Maxxima Series 2004–2008 EDC7C1/C2 (Bench/CheckSum)

NO.5 Deutz
Car Model

Agrotron 2007 EDC7UC31 (Bench/CheckSum)
Atlas 2006 EDC7UC31 (Bench/CheckSum)

NO.6 Doosan
Car Model

Dx300 2006–2013 EDC7C1 (Bench/CheckSum)

NO.7 Fendt
Car Model

200 Vario 2007–2015 EDC7UC31 (Bench/CheckSum)
300 Vario 2008–2014 EDC7UC31 (Bench/CheckSum)
400 Vario 2003–2014 EDC7UC31 (Bench/CheckSum)
700 Vario 2006–2015 EDC7UC31 (Bench/CheckSum)
800 Vario 2003–2015 EDC7UC31 (Bench/CheckSum)
900 Vario 2003–2015 EDC7UC31 (Bench/CheckSum)

Harvester 6000 Series 2011 EDC7UC31 (Bench/CheckSum)

NO.8 Iveco
Car Model

Eurocargo 2000–2016 EDC7UC31 (Bench/CheckSum)
Eurocargo 2000–2016 EDC7C1 (Bench/CheckSum)
Eurocargo 2006–2016 EDC7UC31 (Bench/CheckSum)
Eurocargo 2000–2014 EDC7C1 (Bench/CheckSum)
Eurocargo 2000–2014 EDC7UC31 (Bench/CheckSum)
Eurocargo 2003–2005 EDC7UC31 (Bench/CheckSum)
Eurocargo 2000–2005 EDC7C1 (Bench/CheckSum)
Eurocargo 2000–2005 EDC7UC31 (Bench/CheckSum)
Powerstar 2006–2016 EDC7UC31–12.10 (Bench/CheckSum)
Stralis 2002–2016 EDC7UC31–12.10 (Bench/CheckSum)
Strals 2006–2016 EDC7UC31–12.10 (Bench/CheckSum)

NO.9 Jac Truck
Car Model

Hfc 2004–2012 EDC7UC31 (Bench/CheckSum)

NO.10 Landini Tractors
Car Model

7 Series 2010 EDC7UC31–13 (Bench/CheckSum)
7 Series 2011 EDC7UC31–13 (Bench/CheckSum)

NO.11 Man
Car Model

BUS 240 2008–2011 EDC7C3 (Bench/CheckSum)
TGE 2012–2020 EDC7C3 (Bench/CheckSum)

NO.12 JAC Trucks
Car Model

Stralis 2002–2012 EDC7UC31–12.10 (Bench/CheckSum)
Stralis 2005–2015 EDC7UC31–12.10 (Bench/CheckSum)
Stralis 2012–2015 EDC7UC31–12.10 (Bench/CheckSum)
Strater 2010–2015 EDC7UC31–12.10 (Bench/CheckSum)
Tector 2003–2007 EDC7C1 (Bench/CheckSum)
Tector 2008–2016 EDC7UC31–12.10 (Bench/CheckSum)
Trakker 2004–2016 EDC7UC31–12.10 (Bench/CheckSum)
Vertis 2010–2015 EDC7UC31–12.10 (Bench/CheckSum)

NO.12 Man Trucks
Car Model
Bus 2005 EDC7C32 (Bench/CheckSum)
Tg-a 2006 EDC7C32 (Bench/CheckSum)
Tg-l 2008 EDC7C32 (Bench/CheckSum)
Tg-m 2006 EDC7C32 (Bench/CheckSum)
Tg-s 2006 EDC7C32 (Bench/CheckSum)
Tg-x 2003 EDC7C32 (Bench/CheckSum)

NO.13 Massey Ferguson
Car Model

MF 6400 2007 EDC7UC31 (Bench/CheckSum)
MF 7400 2006 EDC7UC31 (Bench/CheckSum)
MF 8400 2005 EDC7UC31 (Bench/CheckSum)
MF 8600 2006 EDC7UC31 (Bench/CheckSum)

NO.14 New Holland
Car Model

CR Series 2002–2016 EDC7UC31 (Bench/CheckSum)
CR Series 2008 EDC7UC31 (Bench/CheckSum)
CSX Series 2007 EDC7UC31 (Bench/CheckSum)
CX Series 2001–2016 EDC7UC31 (Bench/CheckSum)
CX Series 2008 EDC7UC31 (Bench/CheckSum)
E 2007 EDC7UC31 (Bench/CheckSum)
Fr 2005 EDC7UC31 (Bench/CheckSum)
Mxu 2007 EDC7UC31 (Bench/CheckSum)
T 2007–2008 EDC7UC31 (Bench/CheckSum)
T6 Series 2012–2016 EDC7UC31 (Bench/CheckSum)
T7 Series 2011–2016 EDC7UC31 (Bench/CheckSum)
T7500 Series 2007–2011 EDC7UC31 (Bench/CheckSum)
T8 Series 2011–2018 EDC7UC31 (Bench/CheckSum)
T9 Series 2011–2016 EDC7UC31 (Bench/CheckSum)
Ts 2008 EDC7C1/C2 (Bench/CheckSum)
Tvt 2010 EDC7UC31 (Bench/CheckSum)

NO.15 Same Tractors
Car Model
Iron 2002 EDC7UC31 (Bench/CheckSum)

NO.16 Steyr
Car Model

Cvt 2004 EDC7C1/C2 (Bench/CheckSum)

NO.17 Valtra
Car Model

A Series 2013–2016 EDC7UC31 (Bench/CheckSum)
BC Series 2007–2016 EDC7UC31 (Bench/CheckSum)
N Series 2007–2017 EDC7UC31 (Bench/CheckSum)

N Versu Series 2007–2017 EDC7UC31 (Bench/CheckSum)
T Series 2004–2016 EDC7UC31 (Bench/CheckSum)

NO.18 Valtra Tractors
Car Model

N Series 2008 EDC7UC31 (Bench/CheckSum)
N Series 2009 EDC7UC31 (Bench/CheckSum)
T Series 2011 EDC7UC31 (Bench/CheckSum)

T Series 2012 EDC7UC31 (Bench/CheckSum)
T Series 2013 EDC7UC31 (Bench/CheckSum)

NO.19 Volkswagen (VW) Trucks
Car Model

Constellation 2014 EDC7C32 (Bench/CheckSum)

NO.20 Volvo Penta
Car Model

D6 2003–2006 EDC7C1/C2 (Bench/CheckSum)

NO.21 Dodge
Car Model

Sprinter 2006–2016 CRD2.x MPC5566 (Bench/CheckSum)

NO.22 Freightliner
Car Model

Sprinter 2000–2013 CRD2.x MPC5566 (Bench/CheckSum)

NO.23 Mercedes
Car Model

A-Class 2012–2015 CRD2.x MPC5566 (Bench/CheckSum)
B-Class 2011–2015 CRD2.x MPC5566 (Bench/CheckSum)
C-Class 2016 CRD2.x MPC5566 (Bench/CheckSum)
C-Class 2007–2011 CRD2.x MPC5566 (Bench/CheckSum)
C-Class 2012–2018 CRD2.x MPC5566 (Bench/CheckSum)
CLA-Class 2012–2016 CRD2.x MPC5566 (Bench/CheckSum)
CLC-Class 2008–2009 CRD2.x MPC5566 (Bench/CheckSum)
CLS-Class 2011–2015 CRD2.x MPC5566 (Bench/CheckSum)

E-Class 2009–2016 CRD2.x MPC5566 (Bench/CheckSum)
E-Class 2008–2015 CRD2.x MPC5566 (Bench/CheckSum)
GLA-Class 2013–2015 CRD2.x MPC5566 (Bench/CheckSum)
GLK-Class 2008–2012 CRD2.x MPC5566 (Bench/CheckSum)
Sprinter 2006–2017 CRD2.x MPC5566 (Bench/CheckSum)
Viano 1999–2014 CRD2.x MPC5566 (Bench/CheckSum)
Vito 2003–2014 CRD2.x MPC5566 (Bench/CheckSum)


FormulaFlash 1.1.2.0 Adds EDC7 CRD2.x ECUs Hardcore Upgrade


FormulaFlash 1.1.0.0 Supports Toyota Gen3 Denso ECUs

FormulaFlash ECU programmer released new software version 1.1.0.0 in January 2026.

FormulaFlash V1.1.0.0:

UPGRADE DETAILS

NEW PROTOCOLS ADDED

Denso 3rd generation

Toyota Auris 2019–2021 DENSO GEN3
Toyota Avalon 2018–2021 DENSO GEN3
Toyota CH-R 2019–2022 DENSO GEN3
Toyota Camry 2018–2021 DENSO GEN3
Toyota Corolla 2019–2022 DENSO GEN3
Toyota Crown 2019–2022 DENSO GEN3
Toyota Harrier 2018–2022 DENSO GEN3
Toyota Highlander 2019–2022 DENSO GEN3

Toyota Hilux/Vigo (8th) 2020–2022 DENSO GEN3
Toyota Innova 2016–2020 DENSO GEN3
Toyota Kluger 2019–2022 DENSO GEN3
Toyota Land Cruiser 2020–2022 DENSO GEN3
Toyota Levin 2019–2021 DENSO GEN3
Toyota RAV4 2019–2021 DENSO GEN3
Toyota Venza 2020–2022 DENSO GEN3
Toyota Yaris 2018–2022 DENSO GEN3

Read, write and checksum correction without disassembly or external adapters.

Toyota Gen II and Gen I ECUs coming soon.

AC Delco

ACDELCO T87A (TCM), SPC564A BENCH read/write,
ACDELCO T87 (TCM), SPC564A BENCH read/write,
ACDELCO E82 BOOT mode read/write + checksum MPC5676,
ACDELCO e730/35/40/45/50 (TCM), MPC555 BENCH read/write,
ACDELCO E87 BOOT mode read/write + checksum MPC5565,
ACDELCO E92 BOOT mode read/write + checksum MPC5674,
ACDELCO E98 BOOT mode read/write + checksum MPC5674,

ECU DATA CENTER IMMO OFF MODULE

BMW Mini MSV70,
GM series, Cadillac, Buick, Chevrolet, Opel E37, E38, E67, E78,
Citroen, Peugeot ME7.4.4, ME7.4.5,
Toyota Denso 3rd generation.


FormulaFlash 1.1.0.0 Update Toyota Gen3 Denso ECUs via OBD + Bench
FormulaFlash 1.1.0.0 Update Toyota Gen3 Denso ECUs via OBD + Bench