Hyperstrada 821 ECU Problems

Ace hyperstrada 821 · Dec 7, 2023

Hi I am new to these forums I am looking for some help please...my 2013 hyperstrada 821 had the Christmas tree problem a few months ago ,dash flashing, blinkers and rear light flashing no exaust servo noise when turned key to on position...on errors it said CAN LINE ERROR ,I sent my ecu off to carmo electronics and they said they fixed my ecu ,I plugged back in and yes blinkers stopped flashing ,the sexaust flap servo works can line error has gone ,but I have another issue ,error says engine now and my radiator fans come on constant ,dtc is flashing on dash and rev counter flashing ,the bike has had the update for the coils not to fry the dash ,could it be the black box anybody experienced this issue thanks ...

thehitman · Jan 2, 2024

Ace hyperstrada 821 said:
Hi I am new to these forums I am looking for some help please...my 2013 hyperstrada 821 had the Christmas tree problem a few months ago ,dash flashing, blinkers and rear light flashing no exaust servo noise when turned key to on position...on errors it said CAN LINE ERROR ,I sent my ecu off to carmo electronics and they said they fixed my ecu ,I plugged back in and yes blinkers stopped flashing ,the sexaust flap servo works can line error has gone ,but I have another issue ,error says engine now and my radiator fans come on constant ,dtc is flashing on dash and rev counter flashing ,the bike has had the update for the coils not to fry the dash ,could it be the black box anybody experienced this issue thanks ...

It is my understanding that the root cause of the issue is faulty coil packs that send current through the system and burns up the ECU, Dash, Black Box, or all of them.
The first step is to replace the faulty Beru ignition coils with updated Eldor coils- either from an Aprilia or 848 (which it seems you've already done). Then, follow diagnostic steps to isolate the damaged part and send the damaged electronics for repair. It's possible your dash is also damaged.
If you don't fix the source of the problem (coils) it will happen again and again.
See my post here for more details.

Hyperstrada 821 ECU Problems

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