# C1A03 on the 2017 Infiniti QX50

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1A03

- [10190156](https://open.wenmarpro.com/bulletins/10190156), 2021-04-08: ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [10136209](https://open.wenmarpro.com/bulletins/10136209), 2018-05-07: ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. The Applied Vehicles section has been revised. No other changes have been made. Please discard previous versions of this bulletin.
- [10130481](https://open.wenmarpro.com/bulletins/10130481), 2018-03-26: ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION SERVICE INFORMATION If the following ICC/ADAS codes are stored, make sure to follow the diagnostic procedures in the Electronic Service Manual \(ESM\) before replacing any parts. C1A03 ? VEHICLE SPEED SENSOR \-The diagnostic procedure in the ESM includes check and, if needed, repair for ABS DTCs before replacing ADAS components. \-If repairs are performed for the ABS system; when compete, perform DTC Confirmation Procedure again before doing any additional repairs. C1A04 ? ABS/TCS/VDC SYSTEM \-The diagnostic procedure in the ESM includes check and, if needed, repair for ABS DTCs before replacing ADAS components. \-If repairs are performed for the ABS system; when compete, perform DTC Confirmation Procedure again before doing any additional repairs. C1B01 CAM AIMING INCMP \-The diagnostic procedure in the ESM includes check and, if needed, repair for LANE CAMERA DTCs before replacing ADAS components. \-LANE CAMERA DTC may require adjustment of the lane camera. \-If repairs/adjustments are performed for the Lane Camera; when compete, perform DTC Confirmation Procedure again before doing any additional repairs.