TCC slips, RPMs are all over the place at light throttle between 15-40mph. Believed to be an issue with the torque converter, known to Nissan.
2018 Nissan Armada powertrain problems
moderate 7 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 7 powertrain complaints filed for the 2018 Nissan Armada, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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.
What owners are reporting 2 most recent
The engine loses power suddenly and unexpectedly (check engine light turns on). With the loss of power, vehicle loses speed and acceleration. This situation has happened on four different occasions. In all cases the loss of power happened while driving, three of the times while driving on a major highway (I-10). The sudden loss of speed creates a hazardous situation for me, my passengers and any…
Common questions
How serious is the powertrain problem on the 2018 Nissan Armada?
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 44,426 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.