2021 Nissan Sentra TSBs

132 manufacturer communications for the 2021 Nissan Sentra sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2021 Sentra problem report covers complaints, recalls, and investigations.

132Communications

What the bulletins cover

Electrical85 bulletins
Engine15 bulletins
Driver assistance11 bulletins
Transmission & drivetrain9 bulletins
Body & structure8 bulletins
Suspension7 bulletins

Most recent service bulletins

The 20 most recent of 132 communications on file. The complete set is searchable on NHTSA's page for this vehicle.

Body & structure NTB09-131C April 13, 2026

CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These…

Body & structure NTB09-131C April 13, 2026

CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These…

Electrical · Brakes & stability · Driver assistance NTB19-033G February 20, 2025

INTELLIGENT CRUISE CONTROL INOPERATIVE AND AEB/FEB WARNING LIGHT ON OR RADAR OBSTRUCTION MESSAGE DISPLAYED WITH DTC C1A16 OR C2582 IF YOU CONFIRM IMPORTANT: The purpose of ACTION (on the next page) is to give you a quick idea of the work you will be performing. You MUST closely…

Brakes & stability · Electrical · Driver assistance NTB19-042F February 20, 2025

AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING APPLIED SYSTEMS: Vehicles equipped with a lane camera (see Figure 1) SERVICE INFORMATION If the Automatic Emergency Braking (AEB) warning light or is blinking (but not illuminated steadily) or the customer states it is blinking,…

Engine NTB25-005 January 13, 2025

SERVICE INFORMATION If one of the APPLIED VEHICLES has DTC P2100 for “ETC MOT PWR-B1” or P2101 for “ETC FNCTN/CIRC-B1” stored in the Engine Control Module (ECM) with a customer complaint of loss of power,  Perform the revised Electronic Service Manual (ESM) procedure noted on…

Airbags NTB19-071D September 19, 2024

DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the…

Engine NTB24-045 September 4, 2024

ENGINE SUPPORT TOOLS APPLIED VEHICLES: 2020-2024 Sentra (B18) SERVICE INFORMATION A new Engine Support Bracket is now available to allow the CVT to be removed from the APPLIED VEHICLES without having to remove the engine. The procedure in this bulletin is different from the…

Body & structure NTB22-045B August 16, 2024

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…

Electrical NTB21-037D August 15, 2024

DTCS B2E4B-06, B2E60-06, B2E61-06 DISPLAYED AS CRNT IN THE TCU This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM The customer experiences an issue with the NissanConnect® Service remote…

Electrical NTB22-027B August 15, 2024

DTC B2E01-96 (INTERNAL BATTERY) STORED AS CURRENT IN IVC This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch,…

Suspension NTB23-078 July 25, 2024

REVISION 4 Please discard earlier versions of this bulletin. The announcement from July 2, 2024 has been revised to include the following: • The restriction on parts for this campaign will be removed and dealers will be able to order parts via normal process beginning August 9,…

Electrical NTB21-115B July 11, 2024

FALSE ACTIVATION OF AEB OR FCW APPLIED VEHICLES: 2021-2022 Altima (L34) 2022-2023 Frontier (D41) 2020-2022 Sentra (B18) APPLIED DATES: Altima: All Frontier: All Sentra: Built on or before March 10, 2022 APPLIED SYSTEMS: Automatic Emergency Braking/Forward Collision Warning IF…

Suspension NTB23-078B July 2, 2024

REVISION 3 Please discard earlier versions of this bulletin. The announcement from June 18, 2024 has been revised to include the following: • Parts for this campaign will continue to remain on restriction until further notice. • Continue to order parts via DBS and orders will be…

Suspension NTB23-078B June 17, 2024

VOLUNTARY SAFETY RECALL CAMPAIGN 2020-2022 SENTRA; INNER TIE ROD This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Suspension NTB23-078B June 17, 2024

VOLUNTARY SAFETY RECALL CAMPAIGN 2020-2022 SENTRA; INNER TIE ROD INTRODUCTION Nissan is conducting this voluntary safety recall campaign on certain specific model year 2020-2022 Sentra vehicles to replace both inner tie rods. This service will be performed at no charge to the…

Electrical NTB20-052C May 21, 2024

REAR DOOR ALERT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Electrical NTB20-055A May 21, 2024

A/T SHIFT LOCK AND REMOTE ENGINE START INOPERATIVE WITH NEW BCM SERVICE PART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Electrical NTB20-073C May 21, 2024

INTELLIGENT KEY UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Electrical NTB20-074B May 21, 2024

BCM SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

Electrical NTB21-106B May 11, 2024

DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

← 2021 Sentra problems All Sentra TSB years
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. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.