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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Parking Support Alert System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests >> Parking Support Alert System >> DTC C1AF1-87: Ultrasonic Sensor (Rear Left Side) Missing Message [10/2023 - ] >> Description

DTC C1AF1-87: Ultrasonic Sensor (Rear Left Side) Missing Message [10/2023 - ]: Description

This DTC is output when an open circuit or short occurs in the communication line between a rear side ultrasonic sensor (RLS sensor) and the rear side ultrasonic sensor (RRS sensor), or when a malfunction occurs in a rear side ultrasonic sensor (RLS sensor) on the rear.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AF1-87 Ultrasonic Sensor (Rear Left Side) Missing Message Rear side ultrasonic sensor (RLS sensor) lost communication
  • Rear side ultrasonic sensor (RLS sensor)
  • Harness or connector
  • Clearance warning ECU assembly