Nissan Altima 2019–2022 — technical service bulletin
Bulletin NTB22-073A · NHTSA communication 10231430 · issued Jan 24, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
4
vehicle entries
Official summary
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.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.