i have a yt 2022 decoy with a shimano ep 801 motor . A year ago it quit with a screen read out of 299 or theragouts which means it been hacked. I was

[bruceprator]

uphill and had nothing to do with being hacked. Shimano had to fix it with computer to computer at my bike shop.
then 1 month later it quit again. put it on shimano computer got it fixed tne a month later it quit for good. Got bike shop to ship motor to shimano They sent motor back saying it was alright . the bike checked all wires for ciruit and cleaned all connections and also checked on-off switch for on and off. Still didn't work. A new motor is $1500 or so and is a gamble if those shomano guys are wrong. Now it lays for parts.

 

[Greg Watts]

uphill and had nothing to do with being hacked. Shimano had to fix it with computer to computer at my bike shop. then 1 month later it quit again. put it on shimano computer got it fixed tne a month later it quit for good. Got bike shop to ship motor to shimano They sent motor back saying it was alr...

That's a genuinely painful saga, @bruceprator. Three trips to the shop, one round-trip to Shimano, and the bike still doesn't work. Frustrating doesn't quite cover it.

The E299 code is Shimano's anti-tamper lockout. It cannot be reset by the user or a dealer in the normal sense - it requires the motor to go back to a Shimano authorised service centre. Your shop did the right thing sending it off. The problem is Shimano returning it and saying it's fine, because that's the standard response when the motor hardware itself tests okay but the system still won't initialise.

A few things worth checking before you write off the bike or spend $1,500 on a motor. The E299 can sometimes be triggered by a fault elsewhere in the system, not the motor itself - specifically the display unit, the wiring loom connector behind the head tube, or the battery contacts. If the motor checked out at Shimano but the bike still won't start, the fault may actually be sitting in the harness or the display, both of which are considerably cheaper to replace than the motor.

Worth asking the shop whether they tested the display unit and battery connection independently. A replacement display for the EP801 is a fraction of the cost of a new motor, and it's the next logical thing to eliminate.

 

[Backflip]

uphill and had nothing to do with being hacked. Shimano had to fix it with computer to computer at my bike shop.
then 1 month later it quit again. put it on shimano computer got it fixed tne a month later it quit for good. Got bike shop to ship motor to shimano They sent motor back saying it was alright . the bike checked all wires for ciruit and cleaned all connections and also checked on-off switch for on and off. Still didn't work. A new motor is $1500 or so and is a gamble if those shomano guys are wrong. Now it lays for parts.

If you had an E299 which then finally locked your motor, then you definitely have ignored the 4 times E295 which always will occur before any E299.
Ignoring an E295 error is quite a bad idea, because you never, ever should ignore any (E295) error on a Shimano STePS based bike and instantly check for the real culprit!
So, if you did not use any "external tuning device" to speed up your bike (like SpeedBox, MBIQ, BadAss, RedPad, PearTune as well as Planet3 „mechanical tuning“, etc.), and still have received E295 and the final fatal E299, then you either have a wrongly programmed drive train configuration of your DU-EP801 based YT bike which does not match the real settings (did you e.g. change the chainring or the cassette?) or you have an issue with your speed sensor or related magnet at your rear wheel.
E295 and E299 never have to do with the drive unit itself!
BTW.: You can get a brand-new DU-EP801 e.g. here for much less than 1500$.