Error Code C46 - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 5 (permalink) Old 08-07-2019, 04:30 PM Thread Starter
Squid
 
Join Date: Jun 2019
Location: El Paso, TX
Motorcycle: K7 GSX-R600
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Error Code C46

Hello everyone. So for the past two months I would get a random FI light come on and off. Today I was finally able to catch it and put it in dealer mode with a C46 error code. I looked it up and people are just saying to remove the set valve. My question is, what is the issue with the set valve to begin with? No one really explains that, all they say is to remove the set valve by either manually turning it to open and disconnecting some wires under the seat or theyíll remove the entire thing.

Iím just wondering whatís going on with the set valve? Is the thing failing? Is it getting stuck and not allowing it to open? Do I need the set valve? I donít know much about mechanics so I have no idea what the purpose of the set valve even is. Will it affect my bike in a negative way by having it open all the time? Sorry I know I have a lot of questions, Iím just trying to understand more what the issue actually is before I remove or unplug something that I donít know what it is. Thanks.


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post #2 of 5 (permalink) Old 08-07-2019, 08:05 PM
Squid
 
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Re: Error Code C46

General conclusion of the set valve, it is used to quiet the bike down and possible add some low rpm torque. Mostly it is useless and you wont find any race exhausts with it on. Plus if you get rid of it you bike will gain 2 lbs of lightness


If you google how to disable set valve you will find a DIY.
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post #3 of 5 (permalink) Old 08-08-2019, 09:54 AM Thread Starter
Squid
 
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Re: Error Code C46

Quote:
Originally Posted by Drp2014 View Post
General conclusion of the set valve, it is used to quiet the bike down and possible add some low rpm torque. Mostly it is useless and you wont find any race exhausts with it on. Plus if you get rid of it you bike will gain 2 lbs of lightness





If you google how to disable set valve you will find a DIY.


So I opened the valve and removed the wires. I havenít really noticed any difference in torque nor increased volume my exhaust. No FI light so hopefully everything is all good.


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post #4 of 5 (permalink) Old 08-08-2019, 12:40 PM
You should listen to me. No, seriously, listen to me.
 
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Re: Error Code C46

If "removed the wires" means that you removed one or more leads to the ECM, the resultant holes need to be plugged or condensation can build up inside the connector and corrode the remaining pins.
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post #5 of 5 (permalink) Old 08-08-2019, 07:34 PM Thread Starter
Squid
 
Join Date: Jun 2019
Location: El Paso, TX
Motorcycle: K7 GSX-R600
Posts: 8
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Re: Error Code C46

Quote:
Originally Posted by BillV View Post
If "removed the wires" means that you removed one or more leads to the ECM, the resultant holes need to be plugged or condensation can build up inside the connector and corrode the remaining pins.


Thanks for the heads up! I just saw a video on YouTube where thatís what he did. I will most definitely do this. Thanks!


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