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Step 4. Flashing Your ECU
*During the flash process, the vehicle must be in the on position but the engine off and not running*
| Note |
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A battery tender is highly recommended during flashing. Do not attempt to flash your vehicle if your battery life seem low or you battery power errors on the dash. An insufficient charge can lead to a failed flash! |
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The “Read & Clear Faults” buttons allows you to read Porsche specific faults in the DME as well as clear faults in all modules.
Advanced Troubleshooting
In the event you are having issues with the M-Tuner dongle connecting to you computer and have tried basic troubleshooting such as restarting your PC, power cycling the dongle, swapping USB ports and cables, etc., you may need to install a fresh driver for the dongle.
Follow this file path location to open and run the program. C:/program files (x86)/M-Engineering/M-Tuner/openport2_setup.exe