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jato View Drop Down
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Joined: 23 Feb 2012
Location: Kewadin, MI
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Posts: 3325 		Direct Link To This Post Topic: Brakes
    Posted: 19 Jul 2019 at 6:40pm
Update July 19,2019.  At Ford dealer for almost 2 hours.  They ran test after test and are scratching their heads. Not only is there the brake issue but in addition now I get "trailer disconnected" message when I push the brake pedal and "trailer connected" when the brake pedal is released.  On my way to the dealer also got "check brake system" on the info screen.  Left truck running when I got there so they could maybe diagnose that as well.  So nearly 2 hours later with truck running the whole time, and with an outdoor temp of 96, technicians were unable to come to any difinitive conclusion.  Monday morning they will contact the "experts" at Ford and get their take on all this.  So my cost today was just my time (3 hours) and fuel (truck running the whole time as well).  They will get me next time when the 'big boys' decide what and where the problem (s) lie.  In the meantime I still think it is all related to a bum TBC.  Hopefully in the next week or two I can give you the "final answer." 
God's pod
'11 model 177
'17 Ford F-150 4WD 3.5 Ecoboost
Jim and Diane by beautiful Torch Lake
"...and you will know the Truth and the Truth will set you free."
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wthoms2000 View Drop Down
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Joined: 06 May 2017
Location: Costa Mesa, CA
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Posts: 45 		Direct Link To This Post Posted: 22 Jul 2019 at 1:40am
Jato, my recommendation: buy and install an inertial Tekonsha brake controller.

https://www.etrailer.com/dept-pg-Brake_Controller-pm-Tekonsha.aspx?gclid=EAIaIQobChMIxJDyv_PH4wIVAb7ACh0xkQKoEAAYASAAEgL3UPD_BwE

They work well and cheaper than the gas you are burning to the dealers.

Good luck.
Porta Poddy
Wil and Luz, Orange County, CA
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mcarter View Drop Down
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Joined: 07 Apr 2016
Location: Greenbrier, TN
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Posts: 3419 		Direct Link To This Post Posted: 22 Jul 2019 at 7:46am
Jato,

I will be interested in what you find. Shouldn't be this complicated. The brake controller output is easy to check (one wire). Then it has a complete circuit loop it monitors. Personally think there is a wiring issue, something is wrong with the blue wire.
Mike Carter
2015 178
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 22 Jul 2019 at 7:48am
Originally posted by jato

Update July 19,2019.   Not only is there the brake issue but in addition now I get "trailer disconnected" message when I push the brake pedal and "trailer connected" when the brake pedal is released.  

Looks like the trailer disconnect error is a common problem with the Ford TBC. Check out this thread for example. Some folks have apparently fixed this with a separate solid ground connection between the trailer and truck. You might want to try that and see if it helps. 


Personally, I don't think you have two problems , just two symptoms of the same problem. Either you have a bad controller as you suspect of you have an intermittent open in the brake circuit somewhere that is both keeping the brakes from working sometimes and indicating to the controller sometimes that the brakes aren't connected. Those intermittent connections can be really hard to pin down. 

Good luck!
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mcarter View Drop Down
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Joined: 07 Apr 2016
Location: Greenbrier, TN
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Posts: 3419 		Direct Link To This Post Posted: 22 Jul 2019 at 4:55pm
+1 - this is a one wire problem, you can check operation of TBC without the trailer, then the "complete" circuit issue is next.
Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."
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jato View Drop Down
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Posts: 3325 		Direct Link To This Post Posted: 02 Aug 2019 at 9:06am
Finally got in to the Ford dealer as they finally got an answer from the 'experts' from the big boys at Ford Motor support.  Here is what they originally did: install a temporary overlay between C1242-14 and 439-A wire/solenoid.  Retest - fail.  Replace trailer brake controller (TBC) with a NEW ONE (yes) and removed the temporary overlay wiring harness.  Test - pass.  So in essence, it was indeed the brake controller.  Glad to have this matter behind us as we have a lot of podding ahead of us.  In two weeks going to the 'thumb' portion of Michigan followed by a month in Colorado (RMNP) and Utah - national parks.  
God's pod
'11 model 177
'17 Ford F-150 4WD 3.5 Ecoboost
Jim and Diane by beautiful Torch Lake
"...and you will know the Truth and the Truth will set you free."
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mcarter View Drop Down
podders Helping podders - pHp
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Joined: 07 Apr 2016
Location: Greenbrier, TN
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Posts: 3419 		Direct Link To This Post Posted: 02 Aug 2019 at 3:47pm
SUCCESS, Happy.
Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 02 Aug 2019 at 7:07pm
Congratulations!
1994 Chinook Concourse
1995 RV6A Experimental Aircraft
2015 Rpod 179 - sold
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GlueGuy View Drop Down
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Posts: 2702 		Direct Link To This Post Posted: 02 Aug 2019 at 7:22pm
First I've heard of one actually failing. Glad you got it fixed!
bp
2017 R-Pod 179 Hood River
2015 Ford F150 SuperCrew 4WD 3.5L Ecoboost
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