2010 Yukon Denali, Nav screen Will not come on, no functions

Asked by Jul 20, 2016 at 09:36 AM

Question type: Maintenance & Repair

Yesterday whilst driving, the rear entertainment
system (DVD) flashed then went blank, the entire
Nav/audio system froze then went blank. After
reading several forums, we tried disconnecting and
diagnosing issues with Neg battery cable, ground
wires, etc. Code reads problem with Relay to ABS
causing problems with radio (we changed the 5v
fuse first to no avail) - but ABS sensors all show
fine. Anyone have this problem? Mechanic says
he's never seen this before.

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