U0401 HELP! 2012!

Dsaline

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I have a 2012 F-350 that will intermittently get a U0401 code which will cause a service advancetrac light and a reduced engine power display. It will then start my truck out in 5th gear with no option to put it in manual. What could this possibly be? thanks!
 

Dsaline

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I have, even pulled them out and cleaned them all. Went about 3 weeks before it popped up again.
 

rrkroll

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There is another bus type connector attached to the e-brake bracket under the dash. I would pull that apart and clean. If you use the e brake much I would also detach the plug from the brake bracket


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