WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Nissan Sentra

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.

132 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
NTB23-018G2024-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of NTB23-018.
NTB23-018F2024-02-08. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. HINT: Initially, the Infotainment Software Update Utility will be available only on the CONSULT PC version of ASIST. The Utility will be added to ASIST WEB at a later date. Please discard previous versions of NTB23-018.
NTB23-018E2023-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018D2023-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018C2023-05-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018B2023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-018A2023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB23-0182023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue or after replacement of the AV Control Unit, it is necessary to verify the current software version of the AV Control Unit to determine if a software version update is required. Use the vehicle tables in this bulletin to determine the current software version, if the AV Control Unit requires a software version update, and which procedure to use to update the AV Control Unit. The software updates in this bulletin are to address stability improvements and “bug” fixes. IMPORTANT: If the customer is experiencing a software related concern, refer to NTB21-038 to verify if the customer concern is a hardware or software related issue. If the concern is a software related issue, review the information in this bulletin to update the AV Control Unit as needed.
NTB22-028B2023-04-10. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY below. Please discard previous versions of this bulletin.
NTB21-067A2023-04-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. HIGH FREQUENCY NOISE WITH AUDIO SYSTEM DISPLAY ON This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
PMA12 2021-22 Se2023-03-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; WHEELS. Tire Chain Owner’s Manual Addendum Voluntary Service Campaign *****Dealer Announcement***** Nissan is providing owners of approximately 183,498 2021-2022 Nissan Sentra vehicles with a supplemental Owner’s Manual addendum. The 2021-2022 Sentra Owner’s Manual is missing the caution note about tire size restriction when using tire chains. Customers will be asked to place the addendum, which includes the caution note, inside the Owner’s Manual that came with their vehicle. *****What Dealers Should Do***** 1. If a dealer receives a supplemental Owner’s Manual addendum for a vehicle they have retailed, currently have in their new vehicle or pre-owned inventory, or a Nissan Rental Car (NRC), the dealer should either forward the owner’s manual addendum to the current owner or add the addendum to the Owner’s Manual in the glove box of any affected vehicle they currently control. 2. Customers receiving this Owner’s Manual addendum have been advised to place it inside the Owner’s Manual that came with their vehicle. ***** Release Schedule ***** Owner Notification Nissan will begin mailing the Owner’s Manual addendum to owners of all potentially affected vehicles beginning February 2023 via U.S. Mail. ***** Dealer’s Responsibility ***** It is the dealer’s responsibility to check Service Comm or DBS National Service History - Open Campaigns using the appropriate Campaign I.D. for the campaign status on each vehicle falling within the range of this voluntary service campaign, which for any reason, enters the service department. This includes vehicles purchased from private parties or presented by transient (tourist) owners and vehicles in dealer inventory. If a VIN subject to this voluntary service campaign was part of a dealer trade, the letter associated with that VIN should be forwarded to the appropriate dealer for service completion.
NTB22-028A2022-09-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-0282022-06-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION IMPORTANT: • For Sentra, if Service Comm shows that PM991 applies to the vehicle you are working on, perform PM991 and do not apply this bulletin. • Refer to NTB21-038 to verify if the customer concern is a Hardware or Software related issue. This bulletin does not apply to hardware issues. The software update in the following SERVICE PROCEDURE is to address the items below: • Stability improvements and "bug" fixes • High Frequency noise with audio system display ON Refer to steps 1 - 5 starting on page 3 to confirm that this bulletin applies.
NTB22-0272022-06-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; COMMUNICATION:MANUFACTURER TELEMATICS; ENGINE. B2E01-96 (INTERNAL BATTERY) DTC STORED AS CURRENT IN IVC SERVICE INFORMATION CONSULT has been updated to allow DTC B2E01-96 (Internal battery) to be cleared in the Telematics Control Unit (TCU). If DTC B2E01-96 is Current/Active in the TCU, and No additional Current/Active DTCs are present in the TCU, perform the SERVICE PROCEURE starting on page 2.
NTB20-085A2022-06-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB20-073B2022-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. INTELLIGENT KEY UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-0702021-09-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. LOCATION OF INTELLIGENT KEYS DURING PDI SERVICE INFORMATION The APPLIED VEHICLES built after August 1, 2021 will arrive at dealerships with the Intelligent Keys concealed under the rear seat. To locate the Intelligent Keys during PDI: • Open the driver’s side (LH) rear door, and then • Raise the corner of the rear seat.
NTB21-066A2021-09-10. Service bulletin. EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN 2021 SENTRA; AUDIO CONTROL UNIT REPROGRAM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-053A2021-09-09. Service bulletin. EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG; ELECTRICAL SYSTEM. 2021 SENTRA; NO START DUE TO BATTERY DISCHARGE THROUGH AUDIO UNIT This bulletin has been superseded by: NTB21-066 VOLUNTARY SERVICE CAMPAIGN 2021 SENTRA; AUDIO CONTROL UNIT REPROGRAM Campaign ID: PM991 Please discard previous versions of this bulletin.
NTB21-037A2021-09-09. Service bulletin. ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT. DTCS B2E4B-06, B2E60-06, B2E61-06 STORED IN THE TCU This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-0672021-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. HIGH FREQUENCY NOISE WITH AUDIO SYSTEM DISPLAY ON IF YOU CONFIRM There is a high frequency (17 kHz) noise with the audio system display screen turned ON, NOTE: • The 17kHz range may not be audible to some people. • Noise can be heard with the audio system ON or OFF. AND The high frequency noise is not heard with the audio system display screen turned OFF, AND Service Comm does not show PM991 applies to the vehicle you are working on. HINT: If Service Comm shows PM991 does apply to the vehicle you are working on, perform PM991 and do not apply this bulletin. ACTION 1. Confirm the current Audio Control Unit software version is 321 or 420. 2. Update the Audio Control Unit software version to 423.
NTB21-0662021-08-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN 2021 SENTRA; AUDIO CONTROL UNIT REPROGRAM INTRODUCTION Nissan is conducting this voluntary service campaign, on certain specific model year 2021 Sentra SV and SR vehicles, to reprogram the Audio Control Unit. This service will be performed at no charge to the customer for parts or labor. IDENTIFICATION NUMBER Nissan has assigned identification number PM991 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign. DEALER RESPONSIBILITY Dealers are to repair vehicles falling within range of this campaign that enter the service department. This includes vehicles purchased from private parties, vehicles presented by transient (tourists) owners, and vehicles in a dealer’s inventory.
NTB21-0632021-08-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. COMBINATION METERS CANNOT BE SWAPPED SERVICE INFORMATION Do not swap combination meter modules between vehicles for any reason in the APPLIED VEHICLES. Due to a new electrical architecture, the vehicle mileage is now stored in multiple control modules. When a mileage difference is detected between modules, the module with the lower value will be immediately overwritten, replacing it with the higher mileage. If a new combination meter module is installed, it will automatically be overwritten to the correct vehicle mileage.
NTB21-042A2021-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EQUIPMENT. VOLUNTARY SERVICE CAMPAIGN 2021 SENTRA; SIDE RADAR SENSOR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
NTB20-029D2021-05-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. TELEMATICS (IVC) SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.