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Service bulletins for the 2021 Nissan Altima

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.

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

By type

By component

By trouble code

Bulletins, newest first
NTB19-071A2021-04-13. 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.
NTB15-049W2021-04-09. Service bulletin. ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB99-001e2021-03-06. 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.
NTB21-0132021-03-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. PREVENT FRONT AXLE THREAD DAMAGE DURING NUT REMOVAL SERVICE INFORMATION If an Applied Vehicle needs to have a front axle nut removed, for any reason, the staking of the nut into the axle keyway must first be removed. The essential tool (part number # J-52982, Figure 1) required to remove the nut staking, is called out as a “Cape Chisel” in the Electronic Service Manual (ESM), and must be used to prevent thread damage to the axle (see Figure 2 on page 2). • The Cape Chisel arrived at dealers in December of 2020. • Damaged threads, due to improper removal of the stake placed in the nut, will not be covered by warranty. For information on using the Cape Chisel, refer to the Electronic Service Manual (ESM): Section TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT > LH/RH.
PC795 2021 Altim2021-03-06. Service bulletin. STEERING; EQUIPMENT. Tie Rod End Socket Nuts Dealer Inventory *****Dealer Announcement***** Nissan is conducting a dealer inventory quality action on 955 specific model year 2021 Altima vehicles identified in Service Comm to re-torque the front driver and passenger outer socket tie rod end nuts. Due to a manufacturing issue that has since been resolved, the subject vehicles may have socket nuts that are not torqued to specification. 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. PC795 • 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 • Please continue to check newly arriving inventory for campaign applicability. 2. Please do not drive, sell, loan, or trade the specific vehicles in Dealer Inventory subject to this Quality Action. 3. Use the attached procedure to complete the remedy procedure prior to retail delivery of the vehicle. 4. Once remedied, dealers may submit the applicable warranty claim for the action performed and release the vehicle.
NTB19-042b2021-03-06. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:WINDSHIELD; 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.
NTB21-0092021-02-06. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. DTC B12A3-72 FOR FUEL PUMP RELAY STUCK OPEN SERVICE INFORMATION DTC B12A3-72 (Fuel Pump Relay Stuck Open) may be stored when the IPDM monitor circuit internally sees 0V to ground at pin #46. This is caused by an internal short to ground in the IPDM or one of the IPDM fuses listed below is open. If B12A3-72 is current or reoccurs after erasing DTCs, inspect the model specific fuse first. If the fuse is not open replace the IPDM. • Altima – Fuse # 58 (page 2) • Kicks – Fuse # 54 (page 3) • Versa – Fuse # 61 (page 4) For additional IPDM diagnostic information refer to the Electronic Service Manual (ESM): Section ELECTRICAL & POWER CONTROL > POWER CONTROL SYSTEM > IPDM E/R. See model specific fuse locations starting on page 2.
NTB15-049v2021-02-06. Service bulletin. ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB19-042a2020-12-09. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; 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.

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