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ASC System Service Required

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Old Nov 26, 2014, 09:06 AM
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ASC System Service Required

Hi!! When I accelerate the car firmly throw 5.000 or 6.000 rpm aprox., it appears the message in the photo, someone has the same problem or someone know what's the problem?

ASC System Service Required-check-evo.jpg
Old Nov 26, 2014, 09:44 AM
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https://www.evolutionm.net/forums/ev...es-merged.html

maybe this...
Old Nov 26, 2014, 10:42 AM
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I had this in my 08 GSR. When I took it to the dealership, I was told that my steering sensor had to be recalibrated. Unknown as to why that happened since I had not been playing around with anything.

Mind you, my warning came on the moment I started the car. I did not have the "tarmac/gravel/snow" choices.
Old Nov 27, 2014, 06:52 PM
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Doesn't this also happen when the turbo overboosts? I thought I remember my tuner saying something about that
Old Nov 28, 2014, 08:06 PM
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I had the same light plus ABS and 4WD!, dealer showed it as rear hydraulic unit and abs sensor
Old Feb 20, 2018, 03:38 AM
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what's the solution?the error appeared 'ASC SYSTEM SERVICE REQUIRED'. mine just reached 1000km
Old Feb 24, 2018, 07:25 AM
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I had this same issue. This warning will come on when you have an over boosting issue (I believe like 30+ psi). My issue was the previous owner installed an aftermarket ebcs with stock tune, causing over boosting
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