4wd system service required???
Really?
[shakes head ruefully] of all the responses (including "move to LA")... no one says 'get the code read and tell us what it is?'...
The tire install and the code may be totally unrelated. How low on tread are the other three? Almost bald 'might' trigger a differential signal in the ECU (and then you would be doing all four anyway). So if the other three are not bald - the difference between 85% and 100% tread life is minimal. The algorithm trigger to detect and prevent a differential abnormal wear or damage is set waaayy higher than that. Think about how often people on the forum actually report this code just for tire wear and the new set of tires cleared the code...
As soon as you left the shop and the car is pulling to one side - return it. Have them check tire pressure. Tell the shop about the code.
If I am way off-base - I apologize.
[shakes head ruefully] of all the responses (including "move to LA")... no one says 'get the code read and tell us what it is?'...
The tire install and the code may be totally unrelated. How low on tread are the other three? Almost bald 'might' trigger a differential signal in the ECU (and then you would be doing all four anyway). So if the other three are not bald - the difference between 85% and 100% tread life is minimal. The algorithm trigger to detect and prevent a differential abnormal wear or damage is set waaayy higher than that. Think about how often people on the forum actually report this code just for tire wear and the new set of tires cleared the code...
As soon as you left the shop and the car is pulling to one side - return it. Have them check tire pressure. Tell the shop about the code.
If I am way off-base - I apologize.
Thread Starter
Newbie
Joined: Oct 2012
Posts: 28
Likes: 0
From: NEW YORK
Thanks for the help. I just looked at my accessport and The code I have is acd c161e FML
Really?
[shakes head ruefully] of all the responses (including "move to LA")... no one says 'get the code read and tell us what it is?'...
The tire install and the code may be totally unrelated. How low on tread are the other three? Almost bald 'might' trigger a differential signal in the ECU (and then you would be doing all four anyway). So if the other three are not bald - the difference between 85% and 100% tread life is minimal. The algorithm trigger to detect and prevent a differential abnormal wear or damage is set waaayy higher than that. Think about how often people on the forum actually report this code just for tire wear and the new set of tires cleared the code...
As soon as you left the shop and the car is pulling to one side - return it. Have them check tire pressure. Tell the shop about the code.
If I am way off-base - I apologize.
[shakes head ruefully] of all the responses (including "move to LA")... no one says 'get the code read and tell us what it is?'...
The tire install and the code may be totally unrelated. How low on tread are the other three? Almost bald 'might' trigger a differential signal in the ECU (and then you would be doing all four anyway). So if the other three are not bald - the difference between 85% and 100% tread life is minimal. The algorithm trigger to detect and prevent a differential abnormal wear or damage is set waaayy higher than that. Think about how often people on the forum actually report this code just for tire wear and the new set of tires cleared the code...
As soon as you left the shop and the car is pulling to one side - return it. Have them check tire pressure. Tell the shop about the code.
If I am way off-base - I apologize.
Evolved Member
Joined: Nov 2013
Posts: 1,538
Likes: 91
From: Houston
Looks like your AYC pump is failing.
https://www.evolutionm.net/forums/09...161e-code.html
I'd get it to the dealership...
https://www.evolutionm.net/forums/09...161e-code.html
I'd get it to the dealership...
Newbie
Joined: Mar 2014
Posts: 47
Likes: 0
From: Highlands, TX
My ABS and ASC service required lights have been coming on and after after driving for a while the 4WD service required light comes goes away after stopping and restarting engine. Just replaced mt tires last week and will be changing out wheel speed sensors once they come in.
Newbie
Joined: Mar 2018
Posts: 12
Likes: 0
From: New York
Hey guys, im kind of new to all of this, I did some research before posting but couldn't find a scenario that was similar to mine.
So, i got a flat about 3 weeks ago (front passenger side), got a used tire (had about 85% thread)
Its in better condition that the rest of my tires.
As soon as i put it on I could feel the car pulling towards the left when hitting the gas a little harder than usual. A couple days later the 4wd sys service required light pops up.
Have any of you guys gone through this?
Would it go away after an alignment?
trying to avoid the dealership after being ripped off so many times
thanks in advance!
So, i got a flat about 3 weeks ago (front passenger side), got a used tire (had about 85% thread)
Its in better condition that the rest of my tires.
As soon as i put it on I could feel the car pulling towards the left when hitting the gas a little harder than usual. A couple days later the 4wd sys service required light pops up.
Have any of you guys gone through this?
Would it go away after an alignment?
trying to avoid the dealership after being ripped off so many times
thanks in advance!
Evolving Member
Joined: Jan 2013
Posts: 266
Likes: 18
From: IL
I have the same light on , it came after I installed new wheels , the stealership is saying I can't have aftermarket wheels on my car coz they are wider ?????? So I cant have any other wheels other than the stock ones it came with . Do you guys know anything regarding that . Thanks . I have a 2012 evo gsr
When my "service awd" light came on it was because the pump had corroded and needed replaced. I replaced it with a new unit and bled the pump and the light went away and SH-AWC worked again. Hasn't happened again since. The original pump only lasted two salty winters.
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