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Home >> Lexus >> 2019 >> GS 350 Base, RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A10: Front Radar Sensor [09/2014 - 10/2015] >> Description
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DTC C1A10: Front Radar Sensor [09/2014 - 10/2015]: Description

The driving support ECU uses the millimeter wave radar sensor to detect obstacles in front of the vehicle. Based on this information, the driving support ECU sends pre-collision control operation signals.

When the driving support ECU receives information that there is a malfunction in the millimeter wave radar sensor, DTC C1A10 is output.

DTC Code DTC Detection Condition Trouble Area
C1A10 While the engine switch is on (IG), there is a malfunction in the front millimeter wave radar sensor for 2 seconds or more.
  • Millimeter wave radar sensor assembly
  • Driving support ECU