Shift Lever Indicates Wrong Gear for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Checks	Cause
Manual Valve (319)	Not engaged to detent lever
Detent Pin (711)	Misaligned or broken
Manual Shaft (708)	The flats are not parallel.
Indicator Linkage	Misadjusted