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Old 01-25-2017, 06:26 AM
Join Date: May 2016
Location: Melbourne, Australia
Posts: 21
Beniki is on a distinguished road
So... it's been 5 months since I have had any SLS errors or issues. Guess the car felt that I am overdue for an error. I got a call from my wife today saying that the car is throwing the much loved SLS inactive error message. This was somewhat surprising as I have been keeping a close eye on the system's health (compressor temp, reservoir pressure, pressure response, strut sagging/leaks etc), and all has been well this whole time. My guess was a controller internal error (which has happened to me in the past while I had alternator issues).
I got the laptop out tonight, and a quick scan has revealed error 53, which as I suspected is a controller internal error. I have reset the error, and am hoping it is just a glitch. I know that these controllers are notoriously sensitive to any checksum errors, so I am guessing that it may have received a corrupt bus message.
I'll keep an eye on it and report back if any issue more sinister arrises.
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Old 01-25-2017, 09:45 AM
Join Date: Nov 2016
Location: SPAIN
Posts: 8
manuelprietou is on a distinguished road
For me, I have not had the message agin since I did the calibration and reset the counts to zero in December. I guess then, that that was all the problem!! good help in this forum!
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Old 05-07-2019, 06:12 AM
Join Date: Sep 2018
Location: Tallinn/Estonia
Posts: 3
Switch is on a distinguished road
Wow! Thanks everyone for making this post. I almost broke my brain with "127 Activity plausibility front left" error, and strange counts over 8000 units on FL sensor.

There is no info over internet about need for resetting counts before calibration. Now I know)
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