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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes (2 Of 2) & Circuit Tests >> Pre-Collision System >> DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Missing Message [01/2023 - ] >> Description
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DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Missing Message [01/2023 - ]: Description

The forward recognition camera communicates with the millimeter wave radar sensor assembly via CAN communication. If a communication malfunction between the forward recognition camera and millimeter wave radar sensor assembly is detected, DTC U0235-87 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0235-87 Lost Communication with Cruise Control Front Distance Range Sensor Missing Message Once 3 seconds elapse after turning the engine switch on (IG), a communication malfunction between the millimeter wave radar sensor assembly continues for approximately 2 seconds or more.
  • Harness or connector
  • Forward recognition camera
  • Millimeter wave radar sensor assembly
Pattern DTC output part name
(Display on Techstream)
Suspected Area (Malfunction Status)
Forward Recognition Camera Millimeter Wave Radar Sensor Assembly
Pre-Collision System Lane Control Forward Recognition Camera (Front Lighting Control) 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.