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Electrical systemPart report

2018 Lexus RX Electrical system Problems

Complaints
3about this part
Share
12%of 26 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 electrical system of the 2018 Lexus RX, 12% of the 26 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.

“This car just send me a warning light last night about the all wheel drive system and issues about the engine, I was in the dealer this morning and I tell them the problem with the car but they was charging me for everything and left the lexus repair shop I work in my car and this not supposed to be happen I care of my car really good but now I hace to stop working because all this issues with the car. Now the car just stop working and I'm stock in middle of the city without another way to work and I don't have money for nothing. Please help me!”

NHTSA complaint #11494750, filed 2022-11

“Car displaying parking brake malfunction and and cruise control malfunction intermittent when using the parking break, seem that TSB (T-SB-0168-19) was open for Camay from 2018 to 2020 exhibiting the same issue but not for this car. This a safety concern since parking brake becomes disable, this issue resets after restarting the car again.”

NHTSA complaint #11466703, filed 2022-05

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026758%
2025627%
20241932%
20231016%
2022621%
202146%
202049%
2019618%
2018312%
201736%
2016414%
201515%
2013316%
2012325%
2011414%
201068%
200939%
200857%
2007916%
20061031%
200527%
200413%

Other parts of the 2018 Lexus RX

Brakes
6 complaints
Other or unknown
6 complaints
Engine
4 complaints
Fuel system
3 complaints
Body and structure
3 complaints
Forward collision avoidance
2 complaints
Vehicle speed control
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Air bags
1 complaints
Back-over prevention (rear camera)
1 complaints
Steering
1 complaints
Suspension
1 complaints

← All problems reported for the 2018 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