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Ford Expedition Advance Trac Problem

13 messages,  Last post on Mar 02, 2009 at 10:43 AM

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#4 of 13 Re: replying to carbuff3 [bwanapete] by cardbuff3 May 20, 2008 (12:35 pm)
Replying to: bwanapete (May 19, 2008 5:23 am) I took mine in and they gave me two error codes . U1900 & U1051 . The U1900 is a Communication Bus Fault Recieve Error and the U1051 SCP Indicating the brake switch signal missing or incorrect . I then talked to another guy who said that there was maybe a short somewhere . Not much help from him and I'm still not sure whats wrong . If anyone has a direction for me to begin with , that would be great . If not , its back to the drawing board . I just spent 1K on new tires ( part of the problem ? ) so I'm not ready to open the check book without at least trying to take a run at this problem myself . Any advice / information will help .
#5 of 13 next step? by bwanapete May 20, 2008 (4:38 pm)
I'm going to try to figure out what there is for a wire leading to a sensor at my right front wheel because I had had that wheel off for balancing the day before this problem arose. Maybe this could be easy? This would fit with your error codes. I'll look in the next day or two and let you know. Replies to this message: cardbuff3 (May 21, 2008 1:37 am) cardbuff3 (May 28, 2008 12:48 pm) bwanapete (Dec 11, 2008 7:52 pm)
#6 of 13 Re: next step? [bwanapete] by cardbuff3 May 21, 2008 (1:37 am)
Replying to: bwanapete (May 20, 2008 4:38 pm) That a good place to start . I had two new tires put on just prior to the light coming on . I also think that you might want to check your brake switch . Its a micro switch that is by the brake pedal shaft . The Engine code U1051 seems to indicate some problem with mine ( maybe yours too ) . Frustrating part about that is Ford issued a Service Bulletin , TSB 02176 ( NHTSA 10008580 ) that address's this issue but I can't find a remedy to go along with the bulletin . So my first steps are to check out the brake switch as well as the fuses that pertain to the Advantrac , ABS and the modules that go along with them . Hopefully luck will be on our side .
#7 of 13 Re: next step? [bwanapete] by cardbuff3 May 28, 2008 (12:48 pm)
Replying to: bwanapete (May 20, 2008 4:38 pm) Hey Pete , FYI . Just got back from the Ford dealer where they charged me 73.00 to tell me its going to cost me 725.00 to get my crap expedtion fixed . I have been told its the ABS Module that will need to be replaced and reprogrammed . Not happy . Hope you make out better . Take care , Roger Replies to this message: bwanapete (Dec 11, 2008 7:52 pm)
#8 of 13 Re: next step? [cardbuff3] by bwanapete Dec 11, 2008 (7:52 pm)
Replying to: cardbuff3 (May 28, 2008 12:48 pm) It was a sensor on a wheel, corrosion I guess.
#9 of 13 Advance Trac - Another problem? by countrynewsman Feb 27, 2009 (3:17 pm)
When pulling my boat uphill from the ramp, and backing it up my driveway, my 2007 Expedition EL hesitates and will not move unless I turn the engine off and on again. I have had it to the dealer twice and was told that I had to turn off the Advance Trac system. I tried that, and it doesn't work. Still hesitates. The dealer hasn't a clue what the problem is. Replies to this message: bwanapete (Mar 01, 2009 3:37 pm) countrynewsman (Mar 01, 2009 3:59 pm)
#10 of 13 Re: Advance Trac - Another problem? [countrynewsman] by bwanapete Mar 01, 2009 (3:37 pm)
Replying to: countrynewsman (Feb 27, 2009 3:17 pm) My '03 has Advance Trac. You don't have to turn it off. The dealer made that up because he didn't know what is wrong. You probably still have warranty coverage, so maybe you need to try a different dealer or get the Ford zone office involved. I don't suppose you have surge brakes on your trailer. Or any other kind of trailer brake which can lock up when it shouldn't. If you have electric brakes, maybe a funny current causes problems. Replies to this message: countrynewsman (Mar 01, 2009 3:59 pm)
#11 of 13 Re: Advance Trac - Another problem? [bwanapete] by countrynewsman Mar 01, 2009 (3:59 pm)
Replying to: bwanapete (Mar 01, 2009 3:37 pm) No, I don't have surge brakes. The boat and trailer are light enough not to need brakes.The dealer told me they had contacted their zone office about the problem and that office came up with that particular "solution". I guess I do need to take it to another dealer, 'cause...you're right...they're definitely giving me a story.
#12 of 13 I'm Really Confused by countrynewsman Mar 02, 2009 (6:51 am)
Let me go through the scenario to better expain my original post. I am parked on the boat ramp ready to pull boat/trailer out of water. I shift to 3 (doesn't matter which gear in this case...same thing happens). I have my left foot on brake and right on gas pedal. I ease down on gas and car starts to move, however, stops. I can move gas all the way to floor and engine still just idles and car doesn't move. I turn off engine for a moment...restart...and try the same thing. Car usually will move at this point. Sometimes it doesn't. So...there's some computer problem I'm guessing. Could it be the throttle sensor? The dealer hooked Expedition to their computer and nothing registered as being wrong.
#13 of 13 by bwanapete Mar 02, 2009 (10:43 am)
Your tailpipe in the water? Not likely, so maybe this is time to start throwing parts at it. Maybe the dealer will find that is easier than thinking, and the warranty should cover them.

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