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Home >> Lexus >> 2019 >> RC F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Automatic High Beam System - Diagnostic Codes & Symptom Tests >> Automatic High Beam System >> DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message [01/2023 - ] >> Description

DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message [01/2023 - ]: Description

The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor assembly, the forward recognition camera stores DTC U0235-87.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0235-87 Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message Detection condition: 
  1. The ignition switch is ON.

Malfunction status: 
  1. The forward recognition camera does not receive data from the millimeter wave radar sensor assembly

Malfunction duration: 
  1. 5 seconds or more
Pre-collision system Front Recognition Camera (Front Lighting Control)
Pattern DTC output part name
(Display on GTS)
Suspected Area (Malfunction Status)
Forward Recognition Camera Millimeter Wave Radar Sensor Assembly
Forward Recognition Camera (Front Lighting Control) Lane Control Pre-Collision System Radar Cruise2 Front Radar Sensor
U0235-87 U0235-87 U0235-87 U0235-87 U0104-87
Pattern 1 Harness or connector (Open or short)
Millimeter wave radar sensor assembly (Internal malfunction)
Forward recognition camera (Internal malfunction)
Pattern 2 - Forward recognition camera (Internal malfunction)
Millimeter wave radar sensor assembly (Internal malfunction)

◦: DTC is output

-: DTC is not output

HINT: 

If the DTCs are output simultaneously, the inspection area can be narrowed down.