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Old 05-13-2014, 01:31 AM   #1
Tromatic
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Dealer service 5/13....

Do I ask them to flash the updated ECU? From what I have read, the latest for my cal is the ZA1JB01D from S-SB-0040-13 : Intermittent RPM Drop TSB. Some people have said that the throttle response has worsened a bit due to some DI seal protection changes.

Any suggestions? I have flashed back to the stock tune via OFT, for the service.
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Old 05-13-2014, 01:42 AM   #2
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I just did this on Friday during my 15K service. Be sure to bring a copy of the TSB with you.

I told them I had the idle drop issue and that there was a TSB, and when I got back they could not replicate and couldn't find a TSB. I showed the TSB on my phone and he was dumbfounded but totally happy to do it.

They failed on Friday (apparently, I was the first FR-S they've ever tried to flash), and went back in today and they succeeded. Have not noticed any issues in throttle issue, and flashed back to OFT OTS when I got home.
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Old 05-13-2014, 02:19 AM   #3
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You need to realize that if you are flashing a tune back onto your ECU after the dealer flash, the dealer flash is completely overwritten.

If you plan to flash a tune (OFT, ECUTEK, etc.) after your dealer visit, save yourself some time and don't bother with the dealer flash. Hopefully whatever tune you are flashing was based on the latest OEM ROM.

I've updated all of my tunes with the latest B01 ROMS.

- Bob
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Old 05-13-2014, 02:30 AM   #4
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Quote:
Originally Posted by Circuit Motorsports View Post
If you plan to flash a tune (OFT, ECUTEK, etc.) after your dealer visit, save yourself some time and don't bother with the dealer flash. Hopefully whatever tune you are flashing was based on the latest OEM ROM.
Only reason I did it is that I hated flashing back to 700 whenever going in to dealer. DI seal issue however rare is something I hope to never see
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Old 05-13-2014, 03:26 AM   #5
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Quote:
Originally Posted by Circuit Motorsports View Post
You need to realize that if you are flashing a tune back onto your ECU after the dealer flash, the dealer flash is completely overwritten.

If you plan to flash a tune (OFT, ECUTEK, etc.) after your dealer visit, save yourself some time and don't bother with the dealer flash. Hopefully whatever tune you are flashing was based on the latest OEM ROM.

I've updated all of my tunes with the latest B01 ROMS.

- Bob
My plan was to reset my OFT and snag the ROM just for the heck of it. I too want to avoid the DI kaboom.
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