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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Check Brake System

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Old Apr 29, 2008 | 09:02 AM
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Check Brake System

I own a 2008 F250 Superduty, KR, 6.4L and have been experiencing the following problem and am wondering if anyone on this forum has had it happen to them.
When starting the truck after not running for 6 hours or more the phrase "CHECK BRAKE SYSTEM" appears in the message center where milage is displayed. I've taken it into the dealer and they were not able to find any codes in the computer or recreate the message. Basically they sent me home and told me to write down the times it happens. Has anyone had this happen to their new trucks. Thanks in advance for the input.

Dumbfounded, Matt
 
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Old Apr 29, 2008 | 09:41 AM
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I have not experienced this but I am certain your techs checked the fluid level.......
Did you check inside each wheel for any leaks? Even a small leak might alert the system to a pressure drop. Let us know if it turns out to be something else like a bad indicator.
 
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Old Apr 29, 2008 | 03:54 PM
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Demolition, Thanks for you insight. When I get home I'll take a look around for any leaks.

I'll keep you posted.

Matt
 
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Old Apr 29, 2008 | 07:29 PM
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I have only seen EBC faults in the ICM.. (electronic trailer brakes) and most of em need the EBC module which it the complete controller in the dash..
 
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Old Apr 29, 2008 | 09:15 PM
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I agree with Demolition. Once the fluid warms it expands witch could be just enough to push the float up far enough to not tell it that the fluid is to low. That is probably why you have to wait 6 or so hours for it to show that.
 
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Old Apr 30, 2008 | 07:14 AM
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the check brake warning is for the tbcm. do you have any add on connectors for the 7 pin connector?
 
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Old Apr 30, 2008 | 12:06 PM
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Yeah, I have a 5th wheel hitch installed and they used a "Y" type plug off the back side of the bumper mounted 7 pin connector to run another 7 pin into the bed of the truck. Thing with that is, I was getting the Check Brake System message prior to having the other 7 pin connector installed.

I wasn't able to check brake fluid levels yesterday but should get to it today. I will post an update once I look.
 
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Old Apr 30, 2008 | 12:11 PM
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Originally Posted by Mooseis2402
Yeah, I have a 5th wheel hitch installed and they used a "Y" type plug off the back side of the bumper mounted 7 pin connector to run another 7 pin into the bed of the truck. Thing with that is, I was getting the Check Brake System message prior to having the other 7 pin connector installed.

I wasn't able to check brake fluid levels yesterday but should get to it today. I will post an update once I look.
The only problem i have had was the Brake booster leaking into the cab were the brake peddle pushes the rod. Theres a seal out which the oil was leaking into the cab, if look under the dash just above the peddles at it you can see it.
 
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Old Apr 30, 2008 | 09:49 PM
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Originally Posted by Mooseis2402
Yeah, I have a 5th wheel hitch installed and they used a "Y" type plug off the back side of the bumper mounted 7 pin connector to run another 7 pin into the bed of the truck. Thing with that is, I was getting the Check Brake System message prior to having the other 7 pin connector installed.

I wasn't able to check brake fluid levels yesterday but should get to it today. I will post an update once I look.
I have the y adapter for the trailer connector as well. I haven't had any issues. I think if there is a problem with the trailer connection it says "Check Trailer Connector" or something of that sort.
 
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Old May 2, 2008 | 11:05 AM
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I checked for brake fluid leaks and all dry. Nothing noticeable anyway and brake fluid level was correct. I'll continue with my log and hopefully the techs at the dealership will come through. Matt
 
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Old May 2, 2008 | 02:03 PM
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I checked the manual, pg 121 says "Check Brake System, displayed when a fault has been detected by the ABS module". Don't know if the techs checked that for you...
 
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Old May 3, 2008 | 10:37 AM
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My 08 did this for about a week straight and hasn't done it since.
 
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