FixVault

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT display Detection condition Action to take
U1220 XM SERIAL COMM [U1220] An internal malfunction is detected in AV control unit (satellite radio tuner communication malfunction). Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".