2013 GMC Yukon Denali rear entertainment screen inoperable

Callie Technician Oklahoma Posted   Latest   Edited  
Unsolved
Infotainment
2013 GMC Yukon Denali 6.2L (F L94) 6-spd (6L80)

Rear dvd screen inoperative has 12v power, ground and signal is at 8v but does absolutely nothing 

0
Ignacio Apprentice
Illinois
Ignacio
 

Try switching video screen for rear in the radio in front so you can watch a dvd

0
Ð Awarded
Callie Technician
Oklahoma
Callie
 

No option in the head unit to switch from front to rear display

0
Ð Awarded