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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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I have a 2010 F-150 and when I try to shift into 4wd the

Customer Question

I have a 2010 F-150 and when I try to shift into 4wd the "check 4x4" light comes on and the 4x4 does not work.
Submitted: 1 year ago.
Category: Ford
Expert:  Ted G. replied 1 year ago.

Since you have checked all the external possibilities the only thing left is to get the Transfer Case control module scanned for codes. Just like the engine control unit, it stores codes when the light comes on and will point to the defective part. Most decent repair shops should have a scanner that can access that module. But the inexpensive code readers like the auto parts stores use will not be able to pull the code.