I have a 2001 KW T2000 that has an ABS issue. The computer screen in the dash shows "TRKBRK Cntlr #1 ? Freq" and "TRKBRK Diag2Rly Short -V", but the ABS light doesn't come on. I hear a slight "blip" when I apply the brak. It's he same tone the turn signal and air pressure warning buzzer make. I noticed I hear that noise only when I have trailer connected and air pressure going to the trailer. I found the ground wire in the pigtail was lose and swapped the entire pigtail cable with a new one thinking that might solve the problem, but it did not. If I'm bobtailing I do not hear the "blip" when I apply the brakes. I briefly tried a non-ABS pigtail and didn't hear the "blip" when applying the brake with the trailer connected either. I thought it might also be an issue with my trailer, but I'm pulling a different trailer and it is till happening. I even had the codes cleared before I pulled this trailer, but they're back. Anyone have any ideas or know what the problem is?
2001 T2000 ABS issue
Discussion in 'Trucks [ Eighteen Wheelers ]' started by BobbyTTour, Dec 12, 2012.
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I belive Wabco ABS-E (made in Wrozlaw, Pl), IMO, the best ABS unit.
first of all check voltage supply on ABS unit.
This is basic wiring diagram of ABS-E. But in USA no K-L datalink is used, but J1708, but really this is minor difference.
For US market Wabco Tool box software is awailable. Difference of this software with European software is that it allows use non wabco diagnostic tool, so you can use it with any RP1210 adapter.
On modern trucks no ABS button is used, there is dashboard display that reads codes in MID 136 SID/PID format.
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