s300 Firmware Update Failed, Now wont Connect to ECU

s300 and SManager software questions & answers
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jeremysaliba
Posts: 5
Joined: Wed Aug 05, 2020 10:27 am

s300 Firmware Update Failed, Now wont Connect to ECU

Post by jeremysaliba »

Hi, so today I needed to some adjustments to a tune and the SManager required an update and that succeeded with no issues. Then I got a pop-up for a firmware update.

I started the firmware updating process and for some reason the progress bar didnt move at all for a couple of minutes followed by the SManager crashing afterwards. Now Im trying to to connect to the ECU but Im getting upload/download access(basically no ability to edit anything). Hoping I just did something dumb and Its a simple fix.

Note: Its an S300 V3.

Awaiting your earliest reply.
Thank you
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Spunkster
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Re: s300 Firmware Update Failed, Now wont Connect to ECU

Post by Spunkster »

What is the serial number that is on the s300 board inside the ECU?

From Help, About, what is the version of software you are using?
jeremysaliba
Posts: 5
Joined: Wed Aug 05, 2020 10:27 am

Re: s300 Firmware Update Failed, Now wont Connect to ECU

Post by jeremysaliba »

It is version 2.7.8.0 from 10th January 2022. I was trying to find a way to retry the firmware update but it just wont connect so cant really do much. Is there a kind of factory reset on the board? Hoping that it will use the older version firmware until I try reupdate it to the most updated one. Im just guessing here to be honest.

With regards to the serial number I will check on that tomorrow first thing as here its already 10.30pm and Ill update on this matter when I have the digits.

Edit: Just thought of this also.Could it be that the old firmware + new 2.7.8.0 wont work together? In that case Ill redownload the older version and see if it will work.
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Spunkster
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Location: Hondata

Re: s300 Firmware Update Failed, Now wont Connect to ECU

Post by Spunkster »

Do not backdate the software.
ky479
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Joined: Sat May 01, 2021 8:01 am

Re: s300 Firmware Update Failed, Now wont Connect to ECU

Post by ky479 »

Did you remove the s300 out of the ecu for whatever reason.
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