DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [11/2015 - ]: Description

If it is determined that the optical axis of the pre-collision city sensor has deviated, DTC C1AA8 is output. DTC C1AA9 is output when the system determines that pre-collision city sensor optical axis learning has not been performed or has not been completed normally after a new pre-collision city sensor is installed.

DTC No.	DTC Detection Condition	Trouble Area
C1AA8	The beam axis of the monocular camera sensor or any of the laser sensors built into the pre-collision city sensor has deviated.	Pre-collision city sensor Windshield glass Wheel alignment
C1AA9	All of the following conditions are met: The auxiliary battery voltage is 9 V or more. The vehicle is being driven at 10 km/h (7 mph) or more. Camera beam axis learning not been completed.	Pre-collision city sensor optical axis learning has not been performed or has not been completed normally. Pre-collision city sensor