Skip to content
EnginePart report

2012 Lexus RX Engine Problems

Complaints
3about this part
Share
25%of 12 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2012 Lexus RX, 25% of the 12 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.

“October 20, '23 Our recent DEAD STOP! Whistle blower! Did you know that when the alternator goes out on a Lexus, that the car draws down energy from the battery to keep the car going? That's only for about a mile or so, then the car shuts down! You can't steer and THE ENGINE STOPS RUNNING and you have no power as you come to a dead stop, whether on the freeway, or one lane mountain pass road, where we would have been later. What would we have done? Scary! Luckily, our Lexus stalled on a city street nearing our on-ramp to the freeway. …”

NHTSA complaint #11551111, filed 2023-10

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2026217%
2025418%
2024813%
20231118%
2022310%
202123%
2020511%
2019721%
2018415%
20171021%
2016518%
2015525%
201315%
2012325%
20111034%
20102127%
2009926%
20081521%
2007814%
2006825%
200514%
200425%
200218%
200115%
199913%

Other parts of the 2012 Lexus RX

Electrical system
3 complaints
Brakes
2 complaints
Other or unknown
2 complaints
Air bags
1 complaints
Electronic stability control
1 complaints
Exterior lighting
1 complaints
Forward collision avoidance
1 complaints
Steering
1 complaints
Body and structure
1 complaints
Suspension
1 complaints
Tires
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2012 Lexus RX

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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