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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 C1AA9: Front Camera Module Beam Axis Not Adjusted [11/2017 - 01/2023] >> Description
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DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [11/2017 - 01/2023]: Description

If forward recognition camera adjustment has not been performed or did not complete normally after the forward recognition camera was replaced with a new one, DTC C1AA9 will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA9 Front Camera Module Beam Axis Not Adjusted When the pre-collision system is on, the driving support ECU assembly detects that forward recognition camera adjustment has not been completed for 0.3 seconds or more.
  • Forward recognition camera system
  • Forward recognition camera
  • Driving support ECU assembly