LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Audio, Visual & Navigation System (BOSE Audio With Navigation)) >> DTC/Circuit Diagnosis >> DTC U1632, U163A, U163E: Seat Speaker >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display contents of CONSULT DTC detection condition Possible malfunction factor
U1632 FL-SEAT L-SQUAWK [OPEN, SHORT, GND-SHORT or VB-SHOR] [U1632] Malfunction is detected sound signal circuits between BOSE amp. and driver seat speaker LH. Sound signal circuits between BOSE amp. and driver seat speaker LH.
U163A FL-SEAT R-SQUAWK [OPEN, SHORT, GND-SHORT or VB-SHOR] [U163A] Malfunction is detected sound signal circuits between BOSE amp. and driver seat speaker RH. Sound signal circuits between BOSE amp. and driver seat speaker RH.
U163E FR-SEAT L-SQUAWK [OPEN, SHORT, GND-SHORT or VB-SHOR] [U163E] Malfunction is detected sound signal circuits between BOSE amp. and passenger seat speaker LH. Sound signal circuits between BOSE amp. and passenger seat speaker LH.