Air bags: air bag/restraint control module
Risk. An unsecured ACU can prevent or delay air bags from deploying as intended, increasing the risk of injury in a crash.
NHTSA has logged 58 owner complaints about the 2021 Nissan Titan, most often about the power train. It is covered by 5 safety recalls, and for recall 21V-471 the manufacturer reports only 80% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 14, 2026. Updated daily. Photo: Kevauto, CC BY-SA 4.0.
58 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Power train | 26 | 0 |
| Electrical system | 11 | 4 |
| Forward collision avoidance | 5 | 1 |
| Service brakes | 4 | 2 |
| Engine | 4 | 0 |
| Fuel/propulsion system | 3 | 0 |
| Suspension | 3 | 1 |
| Vehicle speed control | 2 | 0 |
| Back over prevention | 2 | 0 |
| 5 other systems | 6 | 2 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. An unsecured ACU can prevent or delay air bags from deploying as intended, increasing the risk of injury in a crash.
Risk. A vehicle rollaway increases the risk of a crash.
Risk. A vehicle rollaway increases the risk of a crash.
Risk. Inoperable front turn signals cannot alert on-coming drivers and/or pedestrians that the vehicle will be turning, increasing the risk of a crash.
Risk. Over cured tires may develop a break in the sidewall, resulting in sudden air loss or belt edge separation which could lead to tread/belt loss.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Nissan.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Titan median. How we score
Recent power train complaints filed with NHTSA, shortened. Personal details are removed.
My 2021 Nissan Titan has rolled away on several occasions, when the shift lever is in the parked position. I needed to use the foot parking brake and wheel chucks to stop and secure the vehicle.
Dealership signed off on NHTSA Recall 22V671 / Nissan Bulletin NTB22-085 in 2023 as 'reprogramming not needed.' The vehicle's transmission software is currently mismatched/corrupted, causing transmission fault codes. The manufacturer (Nissan Consumer Affairs) and the local dealer are refusing to…
Two different incidents involving the transmission. The first was going at a moderate speed, it’s a nine speed transmission. It shifted down into second gear, revving the engine horribly and throwing me forward somewhat. If this had happened at highway speeds it could have locked up the back wheels…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.