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
| NTB12-055I | 2022-10-07. Service bulletin. POWER TRAIN. CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
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| NTB22-028A | 2022-09-17. 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. |
| REVISION 2 PM991 | 2022-08-31. Service bulletin. ELECTRICAL SYSTEM. Audio Control Unit Reprogram Voluntary Service Campaign UPDATE August 25, 2022 Please discard earlier versions of this bulletin. The announcement from August 10, 2021 has been revised to include the following: • NTB21-066 has been amended with the following changes: • Battery replacement will no longer be covered under this activity. The battery inspection and replacement operation has been removed from this campaign. Op codes PM9914 and PM9913 no longer apply for this activity. • USB drive information has been updated. |
| NTB22-037 | 2022-08-31. Service bulletin. ELECTRICAL SYSTEM. INTELLIGENT KEY NOT DETECTED IN CENTER CONSOLE IF YOU CONFIRM The Intelligent Key fob is not detected when above or around the center console area. ACTION Use the SERVICE PROCEDURE in the bulletin to reconfigure the Hands Free Module (HFM). |
| NTB21-066B | 2022-08-30. Service bulletin. 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. |
| NTB22-045 | 2022-08-27. Service bulletin. ENGINE AND ENGINE COOLING. 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. |
| NTB22-051 | 2022-08-26. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:HORN. HORN INOPERATIVE IF YOU CONFIRM The horn on an APPLIED VEHICLE is inoperative. ACTION Inspect the horn pad for a pinched ground wire. If a pinched ground wire is found, replace the high and low horns. |
| NTB22-067 | 2022-08-24. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON WITH DTC P0401 AND/OR P0404 STORED IN THE ECM IF YOU CONFIRM The MIL is ON and DTC P0401 (EGR A FLOW INSUFFICIENT) and/or P0404 (EGR A CONTROL) is stored in the ECM. AND There are no drivability concerns. ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable. |
| NTB22-028 | 2022-06-08. 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. |
| NTB22-027 | 2022-06-08. 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. |
| NTB22-026 | 2022-06-08. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. SERVICE INFORMATION FOR FUEL GAUGE INACCURATE WITH DTCS STORED IN ECM SERVICE INFORMATION If a fuel level sensor has been diagnosed as sending an incorrect level signal, and one or more of the following DTCs are stored in the ECM, do not replace the entire “Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly” (fuel pump assembly). The fuel level sensor can be replaced separately. • P0460 (FUEL LEV SEN SLOSH) • P0461 (FUEL LEVEL SENSOR) • P0462 (FUEL LEVL SEN/CIRC) • P0463 (FUEL LEVL SEN/CIRC) NOTE: Warranty claims referring to fuel level issues that result in the replacement of the entire fuel pump assembly will be charged back. |
| NTB20-085A | 2022-06-08. 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. |
| NTB19-071B | 2022-06-03. Service bulletin. AIR BAGS. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB22-014 | 2022-05-20. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. INTELLIGENT KEY NOT DETECTED IN CENTER CONSOLE IF YOU CONFIRM The Intelligent Key fob is not detected when above or around the center console area. ACTION Use the SERVICE PROCEDURE in the bulletin to reconfigure the Hands Free Module (HFM). |
| NTB21-063C | 2022-05-20. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. COMBINATION METER MODULES OR ABS CONTROL UNITS CANNOT BE SWAPPED This bulletin has been amended. See AMENDMENT HISTORY, below. Please discard previous versions of this bulletin. |
| NTB20-029E | 2022-05-20. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. TELEMATICS (IVC) SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin. |
| NTB17-082E | 2022-03-12. Service bulletin. FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING. DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB13-097J | 2022-03-12. Service bulletin. FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING. EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB21-063B | 2022-02-10. Service bulletin. ELECTRICAL SYSTEM. COMBINATION METER MODULES OR ABS CONTROL UNITS CANNOT BE SWAPPED This bulletin has been amended. See AMENDMENT HISTORY below. Please discard previous versions of this bulletin. |
| NTB20-074A | 2022-02-10. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. BCM SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB20-073B | 2022-02-10. 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. |
| NTB20-052B | 2022-02-10. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM. REAR DOOR ALERT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB19-042C | 2022-02-10. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB99-001F | 2022-01-08. Service bulletin. SUSPENSION. STRUT AND SHOCK ABSORBER REPLACEMENT GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| NTB21-115 | 2022-01-08. Service bulletin. SERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING; FORWARD COLLISION AVOIDANCE. FALSE ACTIVATION OF AEB OR FCW IF YOU CONFIRM The customer states they have experienced false activation and/or unexpected braking of the Automatic Emergency Braking (AEB) or Forward Collision Warning (FCW) system, AND There are no related DTCs stored. ACTION 1. Confirm the current ICC/ADAS 2 part number. 2. Reprogram the ICC/ADAS 2, if applicable. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.