FlashOnline R4
FlashOnline — universal flash memory emulator 28Fxxx/29Fxxx, which allows you to programming the standard ECU in real time mode!
Features:
- Live editing of the ECU firmware in real time, even while the engine is running!
- Official support in TunerPRO RT
- Also can working with any software such as WinOLS, RomRaider, etc. through CobraRTP Utility.
- Live map tracing in TunerPro RT
- Remote connection via Bluetooth interface (if provided)
- Store and switch 2 different firmwares ( more detailed)*
- Can be installed in an ECU case - the device is smaller than a credit card!
Standart kit:
- FlashOnline
- extension cable
- SOP-44 adapter (2pcs.)
- CobraRTP sticker
Note: USB-mini cable is not included, must be purchased separately.
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Compatible ECUs
Flash memory 28F200, 28F400 / 29F200, 29F400, 29F800 (SOP-44 only). CPUs: Infineon (Siemens) C167 (C166), ST ST10F273, ST10F275, Motorola ZC439512, ZC439615.
- Siemens MS41.0, MS41.1, MS41.2, MS42, MS43, MSS52, MSS54, SIMK31-43, MS5150, EMS2000, GS20, Simos 7.1/3PG/3.3, Simtec 75.1/75.5
- Bosch ME2.0, ME2.8, ME3.8.3, M5.2.1, ME7.1, ME7.1.1, ME7.2, ME7.4.4, ME7.4.6, ME7.5, ME7.9.6, ME7.9.7, MP7, MED7.6.2, EDC15 (P/P+/C4/C6/VM),
- General Motors (GM) engines: LS1, LS2, LS3, LS6 LS7 ECUs: P01, E37, E38 (Corvette, Camaro, Firebird 1997 – 2011*)
This list presents some of the supported ECUs, the list is wider and limited only by the type of memory installed in the ECU.
FlashOnline has been tested with the following ECUs:
Siemens MS41, MS42, MS43, MSS54, MS5150, 5WK (GS20), 5WY1857
Bosch ME2.8, ME3.8.3, M5.2.1, ME7.1, ME7.1.1, ME7.2, ME7.5, EDC15C6, EDC15P+, EDC15VM
How do I know if my ECU is compatible?
To do this, you need to open the ECU and make sure that one of the supported ROM types is installed:

FAQ
The set of capabilities, maps (calibrations) is determined by the software and firmware of the ECU. FlashOnline as an intermediary between software and ECU does not define a set of parameters (calibrations) and capabilities. For example, in TunerPRO RT a set of parameters is specified using XDF file, which must correspond to the specific firmware of a specific ECU. More information here. You can also use any software such as WinOLS with our utility – CobraRTP Utility.
The CobraRTP memory emulator doesn't solve the problem of replacing the MAF sensor with the MAP sensor directly. This would require not only hardware modifications to the ECU but also a complete rewrite of the firmware algorithms due to the fundamental difference in the fuel injection calculations between the MAF sensor and the MAP sensor.
With our device, this is possible if you have a MAF calibration table and the new MAF is compatible with your ECU.
The device is not tied to a specific engine configuration, including turbocharging. Its main function is live tuning of the standard ECU firmware calibrations.
Installing a turbocharger will require adapting the engine management system (fuel supply, ignition, operating modes, etc.), which is what the memory emulator is designed for. Therefore, the answer is yes.
1. Maintaining the functionality of the automatic transmission
2. Maintaining the functionality of all units that require communication with the engine ECU via K/CAN buses
3. Maintaining the standard diagnostic system
4. Maintaining the standard anti-knock system
5. No need to interfere with the vehicle's wiring
6. Low threshold for entering the tuning process. In most cases with third-party ECUs, it is necessary to configure basic maps and parameters practically from scratch.
You can use any editor that saves firmware in binary format (bin), and then using our utility You can download data online using the “Autoupload" or separate as file.
Since the memory emulator replaces the flash memory chip, it is necessary to load the full firmware (dump) into the emulator, which is a multiple of the memory size of the chip of a specific ECU. For example, if it is 29F400, then in order for the ECU to work, it is necessary to load 512 kB firmware into the emulator. And then during the tuning process you can load (change) only calibrations (tables, parameters).
No. You can freely connect the same FlashOnline to any of the supported ECUs and download an unlimited number of different firmware.
No. You need to take care of this every time you start the engine after changing calibrations, or disable the checksum verification.
Yes. The ECU "sees" the emulator as a flash chip, with the same firmware. Accordingly, FlashOnline does not limit the functionality of the control unit.
No, FlashOnline uses the same firmware file as the flash memory chip, therefore, after the ECU tuning process with the emulator, you can install the chip back and write the necessary firmware (calibration) to it via the OBD connector, i.e. flash the ECU in the standard way.
No, technically changing (writing) FlashOnline memory is impossible from the ECU side. Therefore, ECU adaptations, such as throttle adaptation, fuel injection corrections, etc. will not be written to the emulator memory, if this is provided for in a specific ECU.
No, not required. This software works with FlashOnline and our other products without a license and without any restrictions.






