This bulletin supersedes 26-2194. Reason for update: update the Parts list to correct a part description " Loctite 638", update the claim quantity for the drain/fill plug, update the claim quantity of the wheel hub bolts (Corsair) and limited the parts list for Edge/Nautilus to only the rear drive unit fluid. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No relevant diagnostic trouble codes (DTCs) present This may be due to internal rear drive unit (RDU) fluid contamination.
full bulletin at NHTSA ↗2021 Lincoln Nautilus powertrain problems
moderate Owners of the 2021 Lincoln Nautilus have filed 7 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
| Model year | powertrain complaints |
|---|---|
| 2019 Nautilus | 25 |
| 2020 Nautilus | 15 |
| 2021 Nautilus (this page) | 7 |
| 2022 Nautilus | 3 |
When does it fail?
Of the 7 powertrain complaints filed for the 2021 Lincoln Nautilus, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Powertrain accounts for 39% of every owner complaint on file for this vehicle — the dominant problem area across 3 categories tracked.
No new NHTSA powertrain complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin supersedes 25-2627. Reason for update: To add a Step to reprogram the all-wheel drive (AWD) module for Bronco Sport vehicles. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No relevant diagnostic trouble codes (DTCs) present This may be due to internal rear drive unit (RDU) fluid contamination.
full bulletin at NHTSA ↗This article supersedes TSB 25-2552 to update the Parts List Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No diagnostic trouble codes DTCs present This may be due to rear drive unit internal (RDU) fluid contamination.
full bulletin at NHTSA ↗Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in the Powertrain Control and Emissions Diagnosis (PC/ED) or in Section 303-14 of the Workshop Manual (WSM) has been updated to address this concern.
full bulletin at NHTSA ↗This article supersedes TSB 25-2351 to update the Service Procedure Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: Shudder chatter condition, most noticeable at low speeds turning No diagnostic trouble codes DTCs present This may be due to rear drive unit internal (RDU) fluid contamination.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 7 most recent
My Lincoln has been in the shop due to a hard AWD System Disabled Message since 10/29/2021. Lincoln Concierge and dealership has kept us updated that NHTSA has not approved the latest AWD control module.
The contact owns a 2021 Lincoln Nautilus. The contact stated that while shifted to reverse(R) and depressing the accelerator pedal, the vehicle hesitated and then suddenly jerked backwards. The contact stated that the vehicle almost jumped into gear. The contact stated that later while driving and attempting to accelerate, the accelerator pedal was depressed and the vehicle hesitated and then…
The contact owns a 2021 Lincoln Nautilus. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. In addition, the transmission was slipping, and the RPM had increased significantly. The contact stated that the “Service Vehicle Soon” message was displayed. The vehicle was taken to the dealer where it was…
The transmission occasionally jerks/studders between second and third at acceleration and deceleration.
2021 Lincoln Nautilus Reserve 2.7-liter twin-turbocharged V6 with coolant intrusion caused by a blown head gasket on cylinder #6. Vehicle would not accelerate properly and lurch forward when the gas pedal was pressed over 25%. The issue was taken to the shop and not found. The issue progressed and was taken to the shop a second time. The issue was found from a misfire code on cylinder #6. Vehicle…
While driving on the highway my transmission died. Had it towed to a nearby forwad dealershiop, Owens Ford in Jarrett VA and they confirmed the transmission died at 51,600 miles.
I bought the 2021Lincoln Nautilus in Aug 2024 with only 54000miles. I was leaving the dealership and driving home with my suv & noticed that the suv was slightly trembling. Since then, I realized that my vehicle would tremble once I put gas in it, and this would happen at any gas station. Secondly, once I pump my gas, the truck does not cut on at first. I have to attempt cranking it two times…
Common questions
How serious is the powertrain problem on the 2021 Lincoln Nautilus?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 7 complaints filed, powertrain issues most often appear around 93,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.