Technical Service Bulletin PIT5550C — 2019 GMC YUKON

This Preliminary information communicates that an inoperative third row folding seat back may not fold down or up.  This information advises dealers on how the seat functions and also a common area where an open circuit may be found between the third row seat module and the seat position sensor.  It provides repair instructions if a concern is found with the circuits between the third row folding seat module and the seat back position sensor, as well as advising the dealer to look for bent/damaged seat recline mechanisms.