# C1B56 on the 2019 Nissan Altima

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 C1B56

- [11004972](https://open.wenmarpro.com/bulletins/11004972), 2024-07-19: REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56\-04 AND/OR C1B56\-97 STORED IN THE ADAS CONTROL UNIT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [10231430](https://open.wenmarpro.com/bulletins/10231430), 2023-02-07: REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56\-04 AND/OR C1B56\-97 STORED IN THE ADAS CONTROL UNIT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [10218973](https://open.wenmarpro.com/bulletins/10218973), 2022-08-31: REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56\-04 OR C1B56\-97 STORED IN THE ICC/ADAS2 CONTROL MODULE SERVICE INFORMATION If the customer states the rear automatic braking \(RAB\) warning light was illuminated and “Malfunction See Owner’s Manual” appears in the message center \(Figure 1\), AND / OR DTC C1B56\-04 and/or C1B56\-97 are stored in the ICC/ADAS2 Control Module. Refer to the information on page 2 to determine next steps.