Amer A Hbahbeh Posted January 6, 2021 Report Share Posted January 6, 2021 Hi During firmware upgrade, my power went down, and now I'm not able to access ether ecu or even star the car G4+ pnp evo 7 Quote Link to comment Share on other sites More sharing options...
Adamw Posted January 6, 2021 Report Share Posted January 6, 2021 Evo's have ECU hold power which can prevent the ecu from shutting down properly. Disconnect the battery or unplug the ecu for a few seconds and try again. Quote Link to comment Share on other sites More sharing options...
Amer A Hbahbeh Posted January 6, 2021 Author Report Share Posted January 6, 2021 Thanks Adam, David did a great support with me and solve the problem We did as you said ,and everything back to normal That's why we love link ECU....the best tech support in the world Quote Link to comment Share on other sites More sharing options...
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