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Service bulletin NTB25-005

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11013281
Published by NHTSA2025-01-30
Manufacturer's numberNTB25-005
Manufacturer's date2025-01-13
NHTSA componentENGINE

NHTSA's summary

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 page 2 for "PERFORM DTC CONFIRMATION PROCEDURE." HINT: This revised procedure will be added to the ESM in a future update.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Trouble codes named

P2100, P2101

Vehicles listed
NISSAN SENTRA2020, 2021, 2022, 2023, 2024, 2025

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PMA402025-01-03. Other. *****Dealer Announcement***** Nissan is committed to a high level of customer service and satisfaction. This commitment requires Nissan to periodically place certain vehicles on temporary Quality Assurance (QA) Hold to ensure that these vehicles, as delivered to our customers, meet our exacting standards and our customers’ expectations. Effective immediately, Nissan is placing a temporary Quality Assurance Hold on certain specific 2025 Nissan Kicks & Sentra vehicles while Nissan investigates a potential quality concern with the Engine Cylinder Block. Affected vehicles are subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. *****What Dealers Should Do***** 1. Please do not retail the specific vehicles in dealer inventory subject to this quality hold. In order for Nissan customers to have the best experience, please discontinue test drives in the affected vehicles. 2. Nissan is currently investigating a potential quality concern regarding the Engine Cylinder Block. Additional information on next steps will be provided as soon as possible. NISSAN NORTH AMERICA, INC. Total Customer Satisfaction
NTB24-0452024-09-10. Service bulletin. 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 procedure currently in the ESM, which will be updated with this information at a later date. Please refer to the SERVICE PROCEDURE in this bulletin for information on how to use these new tools.
NTB22-096A2024-06-07. Service bulletin. LOSS OF ELECTRICAL POWER, ENGINE NOISE, AND/OR BATTERY LIGHT ON This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-045A2023-04-10. Service bulletin. RATTLE OR KNOCK NOISE FROM FRONT WHEN DRIVING OVER BUMPS AND/OR TURNING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-0962022-11-12. Service bulletin. LOSS OF POWER, ENGINE NOISE, AND/OR BATTERY LIGHT ON IF YOU CONFIRM The customer describes one, or more, of the following: • Loss of power • Loud noise from the front of vehicle/engine area while running • The battery light is ON AND • It is confirmed that the noise is coming from the generator (alternator) ACTION Replace the Drive Belt Auto Tensioner, the Alternator, and the associated Drive Belt listed in the PARTS INFORMATION on the last page.
NTB22-067A2022-11-07. Service bulletin. MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REVISION 1 PMA112022-10-14. Service bulletin. Cowl Seam Seal Dealer Inventory REVISED October 14, 2022 Please discard earlier versions of this bulletin. The announcement from October 14, 2022 has been revised to include the following: • The procedure in the Original Document for this Quality Action was a DRAFT VERSION of the procedure and was released in error. Disregard previous versions of this procedure.
PMA11 2022 Sentr2022-10-14. Service bulletin. Engine Room Sealant *****Dealer Announcement***** Nissan is committed to a high level of customer service and satisfaction. This commitment requires Nissan to periodically place certain vehicles on temporary Quality Assurance (QA) Hold to ensure that these vehicles, as delivered to our customers, meet our exacting standards and our customers’ expectations. Effective immediately, Nissan is placing a temporary Quality Assurance Hold on 418 specific 2022 Nissan Sentra vehicles identified in Service Comm due to an investigation of a potential sealant application issue in the engine room. Affected vehicles are subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. *****What Dealers Should Do***** 1. Verify if vehicles are affected by this quality hold using Service Comm or DBS National Service History – Open Campaigns I.D. PMA11 • New vehicles in dealer inventory can also be identified using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). • Refer to NPSB 15-460 for additional information • Some vehicles may still be in transit. Please continue to check newly arriving inventory for QA Hold applicability. 2. Please do not drive, loan, rent, sell or trade the specific vehicles in dealer inventory subject to this quality hold. 3. Nissan is currently investigating a potential sealant application issue in the engine room. Additional information on next steps will be provided on or before October 14, 2022.
PMA11 2022 Sentr2022-10-14. Service bulletin. Cowl Seam Seal Dealer Inventory ***** Dealer Announcement ***** Nissan is now updating the temporary hold on 418 specific model year 2022 Sentra vehicles identified in Service Comm to a dealer inventory quality action to apply sealant in the engine room. Due to a manufacturing issue, which has since been corrected, a seal was either improperly applied or is missing behind the left front strut tower in the cowl area of the engine room. Affected vehicles are subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. ***** What Dealers Should Do ***** PLEASE FOLLOW THE ATTACHED INSTRUCTIONS: 1. Verify if vehicles are affected by this quality action using Service Comm or DBS National Service History – Open Campaigns I.D. PMA11 • New vehicles in dealer inventory can also be identified using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). • Refer to NPSB 15-460 for additional information • Some vehicles may still be in transit. Please continue to check newly arriving inventory for applicability. 2. Please do not drive, loan, sell or trade the specific vehicles in dealer inventory subject to this quality action. 3. Use the attached procedure to remedy any vehicles affected by this quality action prior to sale. 4. The service department should submit the applicable warranty claim for the action performed to close the campaign in Service Comm and release the vehicle.
NTB22-0452022-08-27. Service bulletin. RATTLE OR KNOCK NOISE FROM FRONT WHEN DRIVING OVER BUMPS AND/OR TURNING IF YOU CONFIRM A rattle or knock noise is heard from the front of the vehicle when driving over bumps and/or turning. HINT: To aid in diagnosis, it is recommended that you view the video clip on ASIST before starting. To view the video clip, open the bulletin on ASIST and select “Video” at the bottom of the screen. To view the video full screen, right click the center of the video screen and select “Full Screen”. ACTION Follow the SERVICE PROCEDURE in this bulletin to verify the passenger (RH) side Engine Mounting Insulator is the source of the noise, and replace it with the one listed in the PARTS INFORMATION on the last page.