LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC U1508: Lost Comm(Side RDR L) >> ADAS Control Unit >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC No.
(On board display)
CONSULT screen items
(Trouble diagnosis content)
DTC detection condition
U1508
(155)
LOST COMM(SIDE RDR L)
[Lost communication (Side radar left)]
Diagnosis condition
  • When engine is running
  • When Blind Spot Intervention system is ON
Signal (terminal) ITS communication signal
Threshold ADAS control unit cannot receive ITS communication signal from side radar LH
Diagnosis delay time 2 seconds or more