2020 Lexus NX Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 9%of 23 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2020 Lexus NX, 9% of the 23 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I am writing to formally express my concern regarding ongoing issues with my vehicle following repairs performed at Crown Lexus in Ontario. In December 2024, I experienced rough idling, slow acceleration with vibration, fluctuating RPMs, and stalling. The check engine light turned on, and an error message instructed me to pull over and contact a local dealer due to engine/transmission trouble. I promptly brought the vehicle to Crown Lexus, where it was diagnosed with a faulty cylinder head requiring full replacement. The repairs were completed at that time. …”
NHTSA complaint #11660901, filed 2025-05“I am submitting this complaint to report a significant safety defect in my Lexus vehicle. Without any prior warning or history of mechanical problems, the vehicle experienced a sudden and severe loss of engine power while I was merging onto a busy highway. The vehicle rapidly decelerated despite continued acceleration input, forcing me to navigate to the shoulder while surrounding traffic was traveling at high speed. This unexpected loss of power created an immediate and substantial risk of a collision and posed a serious danger to myself and other motorists. …”
NHTSA complaint #11702843, filed 2025-12Transmission and drivetrain: other model years
Other parts of the 2020 Lexus NX
9 complaintsEngine
8 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSteering
1 complaintsTires
1 complaintsWheels
1 complaints
← All problems reported for the 2020 Lexus NX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology