ABS Module communication errors - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 02-08-2014, 12:49 PM Thread Starter
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ABS Module communication errors

I had a code pop up, something about ABS module communication error, and also something about CAN BUS.

My truck started chiming, and the speedometer was jumping all over the place. The traction control kept turning of and on. It did it twice in a row after restarts, then finally quit and threw those two engine codes. Anybody have a similar problem? The fix?

2011 CCSB, 20x9 -12mm Badlands, H&S, S&B, Katzkin, DDM 5k, 1.5" leveling kit, 35" AT II's.
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post #2 of 8 Old 02-11-2014, 08:31 AM Thread Starter
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Bump....ttt

2011 CCSB, 20x9 -12mm Badlands, H&S, S&B, Katzkin, DDM 5k, 1.5" leveling kit, 35" AT II's.
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post #3 of 8 Old 02-11-2014, 08:43 AM
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It sounds similar to a failing speed sensor in the rear diff on the 6.0

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Originally Posted by G8orFord View Post
My magic wand broke a few years back when my crystal ball fell on it. Ruined the ball too. So we're going to have to figure this one out another way. YOU NEED A MONITOR or at least a good scanner.
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post #4 of 8 Old 02-11-2014, 04:46 PM
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Symptoms point to bad VSS (vehicle speed sensor) in rear end.

This sensor controls speedometer, abs, traction control etc. Could be bad sensor or faulty connection.

I have replaced this sensor on OBS 7.3L powerstrokes but haven't heard of any on the 6.7L going bad yet. Take to dealer.



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post #5 of 8 Old 02-11-2014, 04:53 PM
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Check this out.
Here is the sensor and wiring harness.

But you should only need sensor

http://www.fordparts.com/Commerce/Ca...=1&keyword=VSS

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post #6 of 8 Old 02-12-2014, 02:11 PM Thread Starter
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Thanks. I'll check it out.

2011 CCSB, 20x9 -12mm Badlands, H&S, S&B, Katzkin, DDM 5k, 1.5" leveling kit, 35" AT II's.
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post #7 of 8 Old 02-12-2014, 03:26 PM
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I've read anywhere from chaffed wires, to water in he plug, to people pulling and cleaning the sensor as cheap fixes before replacing it

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Originally Posted by G8orFord View Post
My magic wand broke a few years back when my crystal ball fell on it. Ruined the ball too. So we're going to have to figure this one out another way. YOU NEED A MONITOR or at least a good scanner.
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post #8 of 8 Old 08-07-2014, 04:40 PM
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So was it the sensor? My 2011 just experienced the same problem on my way home. Thanks


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