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1989 Fleetwood FWD / 2000 ETC / 2000 STS / 2006 STS V-8 1SF RWD
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475 Posts
Hello...

Press the "Off" and "Warmer" buttons on the AC
The codes will appear in the fuel gauge DIC.
There are several types of codes "E", "EE", "EO", and "F".
(current, history, etc)
Press "Off" and "Higher" to clear
Press "Auto" to exit
 

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1989 Sedan DeVille is now just a fond memory ....
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10,429 Posts

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33 Posts
Discussion Starter #8
I got these codes

F46 - Low Refrigerant Charge
F47 - Low Refrigerant Charge
E90 - VCC Brake Switch Signal Problem

What do I have to do to fix these? And what exactly are both of those? (Im not a genius when it comes to cars lol)
 

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1989 Fleetwood FWD / 2000 ETC / 2000 STS / 2006 STS V-8 1SF RWD
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475 Posts
Hello...
Refrigerant can be added by any qualified service center,
however, they first must check the system for leaks, and fix them, before adding.
It is unlawful to add freon to a leaking system.
The VCC code is related to your transmission.
I have never had code E90...
These problems can sometimes be difficult to isolate, as the transmission is complex.
There are switches and solenoids inside of the transmission and you will have to drop it to R+R.
Are there any driveability issues?
It may be that the VCC (Viscous Clutch Converter) isn't receiving the signal to either turn on/off.
There is a test you can perform to see if the VCC turns on/off.
(apply the brake lightly while driving above 45(?) and you can feel the VCC turn on/off)
Use the search feature to find out more details.
Usually you will not notice when the VCC engages/disengages.
(you will only notice a slight increase in RPM's and 1%-2% lower MPG's).
Post back your solution.
 

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Discussion Starter #10
Well..I know how to change the coolant..and I didnt get that VCC code again..and for some reason, my check engine soon light disappeared after I added a little bit of water cuz I didnt have any anti freeze..but I just got some and Im about to change it. I think my car is leaking anti freeze though
 
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