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DTC C1AE1 Front Left Sensor Malfunction: Description

The No. 1 ultrasonic sensor (front left corner sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the front left corner sensor. If the front left corner sensor has an open or other malfunction, it will not function normally.

DIAGNOSTIC TROUBLE CODE CHART

DTC Code DTC Detection Condition Trouble Area
C1AE1 Malfunction of No. 1 ultrasonic sensor (Front left corner sensor)
  • No. 1 ultrasonic sensor (Front left corner sensor)
  • Clearance warning ECU*1
  • Parking assist ECU*2
HINT:
*1: w/o Advanced parking guidance system
*2: w/ Advanced parking guidance system
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