TSB NTB22-073B — Nissan Service bulletin
NTB22-073B is a service bulletin on file with NHTSA for the Nissan Altima, 2019–2021 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. 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.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years NTB22-073B names
| Vehicle | Model years |
|---|---|
| Nissan Altima | 2019, 2020, 2021 |
Every document filed under NTB22-073B
| Document ID | Filed | Type |
|---|---|---|
| NTB22-073B | May 11, 2024 | Service bulletin |
What NTB22-073B covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB NTB22-073B?
NTB22-073B is a service bulletin filed with NHTSA by Nissan, covering the Nissan Altima across the 2019–2021 model years. NHTSA's summary reads: 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.
Which vehicles does NTB22-073B cover?
NHTSA's file names Nissan Altima (2019–2021). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB NTB22-073B a recall, and is the repair free?
No. NTB22-073B is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of NTB22-073B?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under NTB22-073B, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under NTB22-073B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.