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Service bulletins for the 2021 Nissan Titan

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.

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

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
NTB23-023B2025-02-25. Service bulletin. POWER TRAIN. FLUID LEAK FROM THE FRONT DIFFERENTIAL CASE ACTUATOR MOTOR PLASTIC THREADS SERVICE INFORMATION Figure 1 Figure 2 If the front differential has a fluid leak coming from the actuator motor plastic threads (Figure 1): a. Place an alignment mark on the splined actuator body and the gear carrier (Figure 2). b. Remove the actuator and thoroughly clean the threads, making sure not to allow RTV to fall into the differential case. c. Once clean, apply Three Bond sealant to the threads, and then reinstall the actuator motor, making sure to line up the alignment marks. d. Check the front differential gear oil level and top to specification. o Refer to the ESM: TRANSMISSION & DRIVELINE > DRIVELINE > FRONT FINAL DRIVE: MA235/MA210 > PERIODIC MAINTENANCE > FRONT DIFFERENTIAL GEAR OIL DO NOT replace the front differential due to a fluid leak from the actuator motor plastic threads unless there has been consequential damage due to fluid loss (bearing failure or gear noise) to the front differential.
NTB20-077A2024-08-16. Service bulletin. POWER TRAIN. 9 SPEED A/T VALVE BODY (CONTROL VALVE TCM) REPLACEMENT This bulletin is no longer active. Please discard previous versions of NTB20-077.
NTB24-0072024-02-08. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:BEARINGS/BUSHINGS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. DIAGNOSING REAR FINAL DRIVE ASSEMBLY LEAKS SERVICE INFORMATION If a Rear Final Drive Assembly (rear solid axle) is found to be leaking from one, or more, of the locations listed below, the source(s) of the leak should first be identified and, if possible repaired before the Rear Final Drive Assembly is considered for replacement. A Rear Final Drive Assembly should not be replaced unless bearing, gear, or other significant damage has occurred. Possible points of fluid leaks: • Front Oil Seal (Pinion Seal) • Axle Tube Seal • ABS Rear Wheel Sensor • Rear Axle Wheel Bearing Seal • Gear Carrier Cover Gasket • Drain Plug IMPORTANT: If a Rear Final Drive Assembly is found to have been replaced for a repairable leak and no internal damage is present, the claim will be charged back. Refer to pages 2-5 for additional information that illustrates and/or describes some, but not all, possible points where fluid leaks can occur, as well as helpful service HINTs. • This bulletin is only intended as a diagnostic reference and does not direct or imply repair. • Refer to the ESM for any applicable repair procedures, if needed.
NTB23-0232023-04-10. Service bulletin. POWER TRAIN. FLUID LEAK FROM THE FRONT DIFFERENTIAL CASE ACTUATOR MOTOR SERVICE INFORMATION If the front differential of an APPLIED VEHICLE has a fluid leak from the actuator motor body or threads (Figure 1), replace the actuator motor on the front differential case. DO NOT replace the front differential due to a fluid leak from the actuator motor unless there has been consequential damage due to fluid loss (bearing failure or gear noise) to the front differential.
NTB12-055J2023-04-06. 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.
NTB22-1012022-12-06. Service bulletin. POWER TRAIN. DRIVE SHAFT BOOT SERVICE INFORMATION SERVICE INFORMATION If a Drive Shaft (Axle Shaft) Boot on an APPLIED VEHICLE is found to be leaking grease, AND There is no abnormal noise or obvious CV Joint risk due to water intrusion and/or complete grease loss, check for REPAIR KIT-DUST BOOT (CV Joint Boot Kit) availability. • If there is a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired, do NOT replace the axle. Install a new boot kit following the procedure in the ESM. o Refer to the ESM: TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT BOOT o If the complete axle (drive shaft) is replaced when only a new boot is required, the over-repair may be charged back to the dealer. • If there is NOT a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired, refer to the ESM for further diagnostic information. IMPORTANT: When servicing vehicles with staked axle nuts, refer to NTB21-013 to prevent Drive Shaft thread damage.
NTB22-0922022-11-07. Service bulletin. POWER TRAIN. MIL ON WITH GEAR RATIO DTCS STORED IN THE TCM SERVICE INFORMATION If one or more of the following DTCs is stored in the TCM as current or past, please check Service COMM or Dealer Business Systems (DBS) National Service History to confirm if campaign R22B1 or R22A9 has been applied. • P0731 – 1GR INCORRECT RATIO • P0732 – 2GR INCORRECT RATIO • P0733 – 3GR INCORRECT RATIO • P0734 – 4GR INCORRECT RATIO • P0735 – 5GR INCORRECT RATIO • P0729 – 6GR INCORRECT RATIO • P076F – 7GR INCORRECT RATIO • P07D9 – 8GR INCORRECT RATIO • P07F6 – 9GR INCORRECT RATIO • P0893 – MULTIPLE GEARS ENGAGED 1. Has campaign R22B1 or R22A9 and the drive cycle (after performing the campaign) on page 2 of this bulletin already been completed? • No: a. Complete the related campaign. b. Perform the drive cycle on page 2, and then proceed to step 2. • Yes: Proceed to step 2. 2. If one or more of the DTCs, listed above are still being stored as current or past, refer to the ESM for further diagnostic information not covered by this bulletin.
NTB22-074A2022-10-14. Service bulletin. POWER TRAIN. TRANSMISSION SHIFT QUALITY IMPROVEMENTS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-086A2022-10-14. Service bulletin. POWER TRAIN. A/T WARNING LIGHT IS ON WITHOUT PAST OR CURRENT DTC STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB22-0872022-10-07. Service bulletin. POWER TRAIN. NOISE AND/OR VIBRATION FROM FRONT OR REAR PROPELLER SHAFT SERVICE INFORMATION If you confirm abnormal noise and/or vibration is coming from the front or rear propeller shaft of an APPLIED VEHICLE, inspect the propeller shaft journals (U-Joints) for binding and/or abnormal noise before replacing the propeller shaft. If binding and/or abnormal noise is confirmed from the propeller shaft U-Joints, replace the propeller shaft U-Joints. Refer to the ESM for the propeller shaft U-Joint replacement procedure. NOTE: Replacement of the propeller shaft due to noise and/or vibration caused by the propeller shaft U-Joints may result in warranty charge back.
NTB12-055I2022-10-07. 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.
REVISION 2 PC9162022-09-17. Service bulletin. POWER TRAIN. Automatic Transmission REVISED September 2, 2022 Please discard earlier versions of this bulletin. The announcement from August 29, 2022 has been revised to include the following: • Affected population added • SERVICE COMM activation date added • Frequently Asked Questions (FAQ) section added • Campaign ID added
REVISION 1 2020-2022-08-31. Service bulletin. POWER TRAIN. Automatic Transmission REVISED August 29, 2022 Please discard earlier versions of this bulletin. The announcement from August 25, 2022 has been revised to include the following: • This Quality Assurance Hold has been amended to include all 2023 Nissan Z vehicles equipped with automatic transmission.
NTB22-0742022-08-31. Service bulletin. POWER TRAIN. TRANSMISSION SHIFT QUALITY IMPROVEMENTS IF YOU CONFIRM The customer has dissatisfaction with shifting during deceleration, when coming to a stop, during re-acceleration, or during acceleration from a complete stop, AND No TCM related DTCs are stored. ACTION Refer to the SERVICE PROCEDURE in this bulletin to: 1. Confirm the current ECM part number. 2. If applicable, reprogram the ECM. 3. Confirm the current TCM part number. 4. If applicable, reprogram the TCM.
2020-22 Frontier2022-08-30. Service bulletin. POWER TRAIN. Transmission *****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 all 2020-2022 Nissan Frontier and 2020-2023 Nissan Titan vehicles due to an investigation of a potential transmission issue. Affected vehicles are subject to stop sale and are either currently in dealer inventory or assigned and in transit to the dealer. Dealers may continue to repair vehicles subject to Recall R22A1 and R22A7; however these vehicles are subject to this quality hold after repair. *****What Dealers Should Do***** 1. Please do not drive, loan, rent, sell or trade the specific vehicles in dealer inventory subject to this quality hold. 2. Nissan is currently investigating a potential concern with the transmission. Additional information on next steps will be provided as soon as possible.
NTB20-068A2022-08-27. Service bulletin. POWER TRAIN. TRANSFER CASE SEAL SERVICE PARTS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
NTB21-0862021-10-16. Service bulletin. POWER TRAIN. A/T WARNING LIGHT IS ON WITHOUT PAST OR CURRENT DTC STORED IF YOU CONFIRM The Automatic Transmission check warning light is ON, AND There are no TCM related DTCs stored that are PAST or CURRENT. ACTION 1. Confirm the current TCM part number. 2. Reprogram the TCM, if applicable. 3. Drive the vehicle and complete a transmission drive cycle. 4. Confirm that the A/T warning light does not come back ON. • See the Repair Overview on page 2.
NTB12-055H2021-07-10. 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.
NTB20-0772020-12-09. Service bulletin. POWER TRAIN. 9 SPEED A/T VALVE BODY (CONTROL VALVE TCM) REPLACEMENT SERVICE INFORMATION: When replacement of the valve body (control valve TCM) is required, DO NOT follow the ESM procedure. Instead, follow the procedure outlined in this service bulletin.

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