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Audi A6 1998-2004, S6 2002 and later, allroad 2001 and later, rs6 2003 and later (C5) Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825


Permlink Replies: 6 - Pages: 1
Last Post: Nov 22, 2013 2:17 PM Last Post By: Iuget
QQ-AUDIA6

Posts: 6
Registered: 11/02/06
Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Nov 9, 2008 9:24 PM
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The car had been in the garage for few days when this afternoon I started the engine and got engine light.
I ran the reader and got these message :
18032.P1624 Mil request signal : active
18228.P1820 Pressure control valve 2-N216 : short to B+
18233.P1825 Pressure control valve 3-N217 : short to B+

no clue what is going on, car is running fine (I guess, hopefully the error will not come back)
So I cleared the error but curious to know what went wrong.
The garage temperature was around 40-50F, if some one can assist me for further action needed or explain what might be wrong, I do appreciate it
Thank you
QQ-AUDIA6

Posts: 6
Registered: 11/02/06
Re: Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Nov 10, 2008 10:01 AM   in response to: QQ-AUDIA6 in response to: QQ-AUDIA6
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The check engine light came back this morning, and I also notice that the system run under back-up/fail-safe mode. Restarting the engine few times made the fail-safe mode went away.
FKH161

Posts: 7,610
Registered: 12/29/05
Re: Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Nov 10, 2008 2:47 PM   in response to: QQ-AUDIA6 in response to: QQ-AUDIA6
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Possible problem with the transmission valve body (those
2 valves that were indicated) or electrical issue with the
control circuit for those valves.
QQ-AUDIA6

Posts: 6
Registered: 11/02/06
Re: Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Nov 26, 2008 10:39 PM   in response to: FKH161 in response to: FKH161
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I brught the car to local Audi mechanic who suggested some weak solenoid or problem with the harness may caus the problem.
I also notice that it happened only in the morning when I started the engine and get that failsafe mode and sometime check engine light. Then a good friend of mine who also mechanic from other car suggested to check the batteries. Yup, the culprit is the battery, when I started it dropped to below 9 V, so I decided to get new battery and seems it resolve the problem.
No backup mode and no error, in fact (not sure is this just me) it runs better, the transmission works smoother.
Audi circuitry is sensitive, replace the battery if it is more than 5 years, mine was 6 1/2 years.
QQ-AUDIA6

Posts: 6
Registered: 11/02/06
Re: Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Jun 28, 2009 1:22 AM   in response to: QQ-AUDIA6 in response to: QQ-AUDIA6
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Just to update the issue I submitted few months ago. Replacing the battery does solve my problem, The error never comes back again. My audi runs like a champ.
Viva Audi !! replace your battery !!!
Bresha

Posts: 433
Registered: 02/23/09
Re: Engine light : Error 18032.P1624 , 18228.P1820, 18233.P1825
Posted: Jun 28, 2009 7:03 PM   in response to: QQ-AUDIA6 in response to: QQ-AUDIA6
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Hi there, good that the fault codes does not returned back, lucky you, but, insufficient battery voltage would cause all kind of problems and codes but not those related with the transmission valve body solenoids.

Bresha
Iuget

Posts: 1
Registered: 11/22/13
Re: Engine light : Error 18228.P1820,
Posted: Nov 22, 2013 2:17 PM   in response to: QQ-AUDIA6 in response to: QQ-AUDIA6
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I had the same problem during the two last years dur to a BAD BATTERY.
Frist I think was ATF oil, it only hapend whith cool wheather.
Finally I change the battery I the problem seams gone for ever!!!!!
Thanks a lot for all the people who share their opinion in the foruns.

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