# C1A03 on the 2017 Nissan Maxima

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

- [10190224](https://open.wenmarpro.com/bulletins/10190224), 2021-04-14: ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [10130496](https://open.wenmarpro.com/bulletins/10130496), 2018-03-26: ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin applies only to vehicles equipped with Automatic Emergency Braking \(AEB\) or Forward Emergency Braking \(FEB\). 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.