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 IC Bus code need to know why
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DougBier
Senior Member

66 Posts

Posted - 04/15/2013 :  09:55:00 AM  Show Profile  Reply with Quote
I have a 2004 IC bus with the dt466e engine.The last couple weeks he complained about the engine warning light coming on.He told me all the fluids were normal level.This morning I checked the bus for trouble codes.I got one a 120 said boost wasn't enough or erratic.I have 69000 miles on the bus with an allison.I couldn't find what the heck this means.Is there a place to find the codes on the net and where should I look and check to see if I can solve the problem. Thanks

jr4wdman
Active Member

13 Posts

Posted - 04/15/2013 :  3:04:05 PM  Show Profile  Visit jr4wdman's Homepage  Reply with Quote
Try typing the DTC # in to search engine such as Google or Bing
(navistar 120 diagnostic trouble code) Or something like that.
I have found plain english questions can be answered by searching the web, (What is the torque specification for head bolts on a DT-466) Wikipedia is a good source for info also. Even techincal.

Good Luck

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DougBier
Senior Member

66 Posts

Posted - 04/15/2013 :  8:01:21 PM  Show Profile  Reply with Quote
I am going to have to go back and look again.I used the sites recommended to me and there is no 120 Thanks !!
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DougBier
Senior Member

66 Posts

Posted - 04/16/2013 :  09:10:57 AM  Show Profile  Reply with Quote
I screwed up I have a 102 DTC
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IBTMech
Top Member

USA
973 Posts

Posted - 04/16/2013 :  2:59:01 PM  Show Profile  Visit IBTMech's Homepage  Reply with Quote
I've never seen anything less than 111, which is system normal. There are no zeros in the trouble codes. How do you flash a zero?

If it doesn't fit, FORCE it.
If it breaks, well, it needed replacing anyway.
Pullin' wrenches for 45 years.

Edited by - IBTMech on 04/16/2013 3:00:50 PM
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Mechan1c
Top Member

USA
693 Posts

Posted - 04/16/2013 :  3:09:06 PM  Show Profile  Reply with Quote
0 the irony...

Go here when you figure out the code:

http://evalue.internationaldelivers.com/service/bodybuilder/general/msmfiles/bbfaultcde.asp

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DougBier
Senior Member

66 Posts

Posted - 04/16/2013 :  8:47:52 PM  Show Profile  Reply with Quote
I got a zero by using a Genesis 3.0 scan tool to check the codes
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