TSB NTB22-045B — Nissan Service bulletin

NTB22-045B is a service bulletin on file with NHTSA for the Nissan Sentra, 2021–2024 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. RATTLE OR KNOCK NOISE FROM FRONT WHEN DRIVING OVER BUMPS AND/OR TURNING APPLIED VEHICLES: 2021-2024 Sentra (B18) APPLIED DATES: Built from January 2, 2021 to April 11, 2024 IF YOU CONFIRM A rattle or knock noise is heard from the front of the vehicle when driving over bumps…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
4Model years

Vehicles and model years NTB22-045B names

VehicleModel years
Nissan Sentra 2021, 2022, 2023, 2024

Every document filed under NTB22-045B

Document IDFiledType
NTB22-045B August 16, 2024 Service bulletin

What NTB22-045B covers

Body & structure — the component vocabulary NHTSA files this communication under.

← All Nissan Sentra TSB years TSB lookup by model

Questions buyers ask

What is TSB NTB22-045B?

NTB22-045B is a service bulletin filed with NHTSA by Nissan, covering the Nissan Sentra across the 2021–2024 model years. NHTSA's summary reads: RATTLE OR KNOCK NOISE FROM FRONT WHEN DRIVING OVER BUMPS AND/OR TURNING APPLIED VEHICLES: 2021-2024 Sentra (B18) APPLIED DATES: Built from January 2, 2021 to April 11, 2024 IF YOU CONFIRM A rattle or knock noise is heard from the front of the vehicle when driving over bumps…

Which vehicles does NTB22-045B cover?

NHTSA's file names Nissan Sentra (2021–2024). 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 NTB22-045B a recall, and is the repair free?

No. NTB22-045B 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 NTB22-045B?

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 NTB22-045B, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 NTB22-045B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.