05 lly range inhibit no dtcs

[fastpunker]

Could the nsbu switch be rotated in the wrong position (clock position)?

I know when I built my trans I didn't have it clocked right initially. I would be in a drive through, bump it to N, shut the engine off, and it wouldn't start because it was in the wrong position. clocked it to the right position and the problem was fixed.

My thinking is the switch could have rotated after driving it to a point that the electronic engagement points (NSBU) and the physical engagement (the cable attached to the shift lever) could be out of sink with each other.. its a long shot but worth the thought

 

[happyduramax]

I used the tool to make sure it was in neutral before I removed the old one . but can check again

 

[happyduramax]

checked voltage at pin c at trans had 12.60 volts . did the limp mode test were you unplug trans connector and check for forward and reverse . have reverse no forward . checked on tech 2 to make sure I was in third gear which it was raised rpm to around 1400 no forward gears . so it is internal in trans . now need to know is it valve body problem or a clutch/piston problem still no dtcs just shift inhibit light

 

[Mike L.]

checked voltage at pin c at trans had 12.60 volts . did the limp mode test were you unplug trans connector and check for forward and reverse . have reverse no forward . checked on tech 2 to make sure I was in third gear which it was raised rpm to around 1400 no forward gears . so it is internal in trans . now need to know is it valve body problem or a clutch/piston problem still no dtcs just shift inhibit light

Pin # C is common positive for C,D, and E solenoids. Pin L is common pos for A trim, and pin N is common pos for B trim ( those are the ones you want to check.

 

[happyduramax]

will check thanks

 

[Mike L.]

will check thanks

Check them with KOEO and Engine running and see if there is a difference.

 

[happyduramax]

OK