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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Parking Support Alert System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests >> Parking Support Alert System >> DTC C1AF1-96: Ultrasonic Sensor (Rear Left Side) Component Internal Failure [10/2023 - ] >> Description

DTC C1AF1-96: Ultrasonic Sensor (Rear Left Side) Component Internal Failure [10/2023 - ]: Description

The rear side ultrasonic sensor (RLS sensor) is installed on the rear bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the rear side ultrasonic sensor (RLS sensor). If an open circuit or other malfunction occurs in the rear side ultrasonic sensor (RLS sensor), the rear side ultrasonic sensor (RLS sensor) does not operate correctly.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AF1-96 Ultrasonic Sensor (Rear Left Side) Component Internal Failure Rear side ultrasonic sensor (RLS sensor) malfunction
  • Rear side ultrasonic sensor (RLS sensor)
  • Clearance warning ECU assembly