2021 Nissan Altima Technical Service Bulletins

109 technical service bulletins (TSBs) are on record for the 2021 Nissan Altima. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11031705Apr 13, 2026Body and structure. 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 items may be available from Nissan by request if certain criteria are met. This bulletin lists the criteria and provides an application…
• 11031704Apr 13, 2026Body and structure. 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 items may be available from Nissan by request if certain criteria are met. This bulletin lists the criteria and provides an application…
• 11031699Mar 30, 2026Electrical system. TELEMATICS SERVICE INFORMATION HINT: This bulletin applies to vehicles equipped with a 4G network compatible TCU. TCUs compatible with 3G network only are no longer supported. SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch, located near the overhead map lamp, also come equipped with a wireless communication device called a Telematics Communication Unit (TCU).
• 11014472Feb 20, 2025Brakes, Forward collision avoidance, Electrical system. 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, and there are no related DTCs, inspect the windshield.
• 11014471Feb 20, 2025Forward collision avoidance, Electrical system, Brakes. 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 follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Nissan Bulletins…
• 11009068Sep 19, 2024Air bags. 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 next page)
• 11006996Jul 11, 2024Electrical system. 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 YOU CONFIRM The customer states they have experienced false activation and/or unexpected braking of the Automatic Emergency Braking (AEB) or…
• 11004962May 21, 2024Electrical system. VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004961May 21, 2024Electrical system. CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004960May 21, 2024Electrical system. CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004971May 15, 2024Electrical system. RAB WARNING LIGHT ON IN INSTRUMENT PANEL AND/OR DTC B2724-23 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004972May 11, 2024Electrical system. REAR AUTOMATIC BRAKING WARNING LIGHT ILLUMINATED AND/OR DTC C1B56-04 AND/OR C1B56-97 STORED IN THE ADAS CONTROL UNIT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004969May 11, 2024Electrical system. 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.
• 11001201Apr 30, 2024Visibility (wipers, defrost, mirrors). WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001194Apr 30, 2024Visibility (wipers, defrost, mirrors). REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001191Apr 30, 2024Visibility (wipers, defrost, mirrors). WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001650Apr 25, 2024Body and structure. DIAGNOSING DOOR LOCK OPERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001208Apr 13, 2024Forward collision avoidance, Electrical system. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10251535Feb 22, 2024Electrical system, Equipment. 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.
• 10249914Jan 24, 2024Equipment, 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…
• 10249898Jan 22, 2024Electrical system. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10248654Dec 13, 2023Transmission and drivetrain. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10248650Dec 13, 2023Transmission and drivetrain. FLUID LEAK CAUSED BY TRANSFER ASSEMBLY RIGHT SIDE DRIVE SHAFT OIL SEAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10243708Sep 21, 2023Steering. DIAGNOSIS OF VEHICLE PULL (DRIFT) AND/OR STEERING WHEEL OFF-CENTER This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10242148Aug 16, 2023Equipment, 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.
• 10242141Aug 1, 2023Electrical system, Equipment. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10240538Jul 11, 2023Electrical system. HORN INOPERATIVE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10238341Jun 20, 2023Electrical system, Back-over prevention (rear camera). RAB WARNING LIGHT ON IN INSTRUMENT PANEL AND/OR DTC B2724-23 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10239062Jun 16, 2023Electrical system. SILICONE-BASED LUBRICANT OR GREASE CAN DAMAGE ELECTRICAL COMPONENTS SERVICE INFORMATION Do not apply Silicone-based lubricants or grease to, or around, any interior electrical components. To avoid the risk of death or severe personal injury, do not directly spray Silicone-based lubricant or grease, or inadvertently overspray Silicone-based lubricant or grease onto any interior electrical components. These types of…
• 10239060Jun 16, 2023Electrical system. 12 VOLT BATTERY TESTING FOR IN-SERVICE VEHICLES SERVICE INFORMATION The following Service Information lists NNA procedural recommendations for establishing good connections while performing 12V battery testing. These recommendations are expected to promote uniformity during the connection process, therefore reducing the number of incorrect “Test with DCA” and “Replace” results.
• 10235707Apr 27, 2023Electrical system. VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235783Apr 24, 2023Brakes. WARNING LIGHT ON WITH DTC C111F STORED AS CRNT IN THE ABS IF YOU CONFIRM DTC C111F (G-SENSOR) is stored as “CRNT” in the ABS Actuator and Electric Unit (Control Unit). IMPORTANT: Do not replace the ABS control unit unless instructed to do so. ACTION Refer to the SERVICE PROCEDURE on page 2 to calibrate the Decel G-Sensor.
• 10235721Apr 17, 2023Electrical system. SECURITY ALARM SOUNDS AFTER USING MECHANICAL KEY TO UNLOCK DRIVER DOOR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235710Apr 17, 2023Electrical system. INTELLIGENT KEY REPLACEMENT OR SWAPPING BETWEEN VEHICLES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10235709Apr 17, 2023Electrical system. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235775Apr 12, 2023Equipment, 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.
• 10235698Apr 5, 2023Exterior lighting. HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235776Apr 4, 2023Transmission and drivetrain. CVT SHIFT SELECTOR LEVER KNOB REMOVAL AND INSTALLATION SERVICE INFORMATION If the CVT Shift Selector Lever Knob needs to be removed or installed for any reason, refer to the SERVICE PROCEDURE in this bulletin, beginning on page 2.
• 10234046Mar 29, 2023Transmission and drivetrain. PREVENT FRONT AXLE THREAD DAMAGE DURING NUT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233904Mar 29, 2023Transmission and drivetrain. 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.
• 10234080Mar 21, 2023Equipment, 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.
• 10234079Mar 10, 2023Equipment, 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.
• 10234066Mar 9, 2023Electrical system. 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.
• 10234044Mar 9, 2023Air bags, Seats. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10234002Mar 9, 2023Forward collision avoidance. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10234078Mar 8, 2023Equipment, Electrical system. 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…
• 10233896Mar 8, 2023Brakes. ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232658Feb 27, 2023Visibility (wipers, defrost, mirrors), Body and structure. REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232656Feb 27, 2023Body and structure, Visibility (wipers, defrost, mirrors). WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232666Feb 22, 2023Electrical system. HORN INOPERATIVE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

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