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Electrical systemPart report

2005 Lexus ES330 Electrical system Problems

Complaints
8about this part
Share
6%of 141 total for the year
Median mileage
8,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the electrical system of the 2005 Lexus ES330, 6% of the 141 complaints for this model year. Where a mileage was given, the median is 8,000 miles.

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.

“My complaint is in regard to the ignition switch for my 2005 Lexus es-330. While trying to start my vehicle the case that houses the key broke apart. The key was still in the ignition, the car running, but the other half of the case was dangling from the key itself.after I was able to stop the engine by turning it off with the key itself and gathering up all the parts of the ignition switch, upon observation I found a very small screw that supposedly was used to secure the switch case together had become loose and therefore allowed the switch case to break open from the pressure needed to…”

NHTSA complaint #10916491, filed 2016-10, 56,000 miles

“Hello: I drive a 2005 Lexus es330. While I have not had a problem with the braking system, the electronic throttle is a different story. If you are entering an on ramp to a freeway then release the throttle, then almost immediately reapply the throttle the car will not respond. It takes 2 seconds or so before the engine starts to rev up and the car is definitely unhappy about this. This process of acceleration, the coasting, then accelerating again yields this same result with almost 100% repeatability. The internet forums are loaded with information about this same issue. …”

NHTSA complaint #10313859, filed 2010-02, 500 miles

“Dt: caller says vehicle has several problems., brakes vibrated, and she had to pump them. Also, rear suspension problems, traction control problems, and cooling system problems in the engine.. Vehicle was at dealer for 4 days the first time and they were unable to give her any information on the diagnostic test. Manufacturer could not provide caller with any information because they have not contacted the dealer yet. Caller is waiting for manufacturer to call her back. Also, caller had problems with the lights inside the vehicle and dash lights. .”

NHTSA complaint #10129315, filed 2005-07, 1,000 miles

“The contact owns a 2003 (na) Lexus es330. The contact stated that the vehicle would randomly fail to start after it was purchased. The dealer made repairs and stated that the failure was due to so many gadgets being in the vehicle. The battery was replaced; however, the failure persists. The VIN was unknown. The failure and current mileages were 8,000.”

NHTSA complaint #10247245, filed 2008-10, 8,000 miles

“I own a Lexus ES 330, 2005 year model. The vehicle randomly fails to start after it was purchased. The dealer stated that this problem might be due to the many gadgets in the car. In any case such an expensive vehicle is not a reliable one.”

NHTSA complaint #10247519, filed 2008-11

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
200612%
200586%
200474%

Other parts of the 2005 Lexus ES330

Vehicle speed control
51 complaints
Transmission and drivetrain
43 complaints
Air bags
17 complaints
Brakes
13 complaints
Engine cooling
9 complaints
Fuel system
5 complaints
Other or unknown
5 complaints
Steering
4 complaints
Engine
3 complaints
Exterior lighting
3 complaints
Body and structure
3 complaints
Seat belts
2 complaints

← All problems reported for the 2005 Lexus ES330

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