Question about installing 4WD Actuator in 2014-on 1500 Sierra

Cliff14Denali · November 23, 2016

It looks like it is easy but wanted to see if anyone has done one. One electrical connection and looks like it just unscrews from front diff. Do I need to have the computer reset and does anything else need to be done? Any tips?

Cliff14Denali · November 25, 2016

I tried to remove it today and cannot get a pair of pliers on it.....have to get it on a lift to get a better look.

Swimmer8366 · November 25, 2016

Don't believe the computer need to be flashed could be mistaken and there not hard just unbolted and bolt back on plug and go

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tbarn · November 25, 2016

I believe the tccm needs to be recalibrated. Not 100%. My GM service info is not available at this time. Dealer or someone with GDS2 would have to do it.

Nevermind. Thought you were referring to the actuator in the transfer case.