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Electrical systemPart report

2012 Lexus ES350 Electrical system Problems

Complaints
2about this part
Share
2%of 89 total for the year
Median mileage
35,100miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the electrical system of the 2012 Lexus ES350, 2% of the 89 complaints for this model year. Where a mileage was given, the median is 35,100 miles. 1 a fire, according to the filers.

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.

“The contact owns a 2012 Lexus ES350. The contact stated while driving approximately 65 MPH, the key was detected, and trunk open warning lights illuminated. Additionally, the doors would lock and unlock independently. The vehicle was taken to a local dealer where it was diagnosed with needing the trunk latch replaced. The vehicle was not repaired. The manufacturer was informed of the failure and agreed to cover the cost of the partial repair. The failure mileage was approximately 55,000. The VIN was not available.”

NHTSA complaint #11438493, filed 2021-10, 55,000 miles

“The contact owns a 2012 Lexus ES350. The contact stated the person driving saw smoke starting to emit from under the passenger seat, after the seat heater was activated. The vehicle was taken to the dealer. The technician found a small burn hole on the left side of the driver seat. The manufacturer was notified of the failure. The failure mileage was 15,200. Updated 2/24/15 Lexus informed the consumer, the burn hold was not located near the seat heater grid or where the electrical wiring was located and therefore, they would not cover the repairs. Updated 03/02/15”

NHTSA complaint #10670928, filed 2015-01, 15,200 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2020240%
201729%
2016210%
2015425%
2014829%
201314%
201222%
201132%
201043%
200953%
200894%
2007153%

Other parts of the 2012 Lexus ES350

Air bags
77 complaintsLatches, locks and linkages
3 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaintsWheels
1 complaints

← All problems reported for the 2012 Lexus ES350

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