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Old Oct 8, 2023 | 03:14 PM
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2015 f150

I am new to this site lots of interesting stuff I have a 2015 f150 with code P187E:00 Differential Lock-Up. Control Circuit High if I clear the code and start the truck it won’t come back unless I turn the wheel I had it a a dealer ship and they replaced the steering rack and same problem
 
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Old Oct 10, 2023 | 07:33 PM
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Might be a short in the harness to the sensor?
 
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Old Oct 16, 2023 | 03:35 PM
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If the code says circuit >>high<< its a wire issue. an open circuit open.
That involves the rear differential electric lock up control from your dash Switch and to the rear. The lead plugs in, there.
Nothing to do with the front steering rack unless you had a separate issue.
 
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Old Oct 16, 2023 | 05:55 PM
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Originally Posted by Bluegrass 7
If the code says circuit >>high<< its a wire issue. an open circuit open.
Have had this type error in my MF tractor, it was the sensor lead shorted to a hot wire. Or it could be a open that floats high, yes.
 
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