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Electrical systemPart report

2003 Lexus LX470 Electrical system Problems

Complaints
4about this part
Share
22%of 18 total for the year
Median mileage
170,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2003 Lexus LX470, 22% of the 18 complaints for this model year. Where a mileage was given, the median is 170,000 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.

“The speedometer is unreadable between 10-60 MPH. There is no illumination, therefore you have no idea of the speed of the vehicle. I notified the dealer, and was told this is not common. Then I notified Lexus company, and they said contact the dealer . This is a safety concern--my wife is afraid to drive, for fear of speeding or other speed problems, as with other Lexus vehicles. We have had this vehicle Lexus certified dealer maintained since we bought the vehicle, and think this a dangerous situation. …”

NHTSA complaint #10763147, filed 2015-09, 76,230 miles

“I took the car to Lexus of glendale for routine service, which was completed, and three days later, as I was driving on 5 freeway from coalinga to los angeles, all of a sudden, I heard a grinding noise from the engine, and the car stalled, I was able to pull over ta ds a nearby service station (chevron) in valencia. I noted a check engine light, and the vehicle became undriveable. The vehicle was towed to Lexus of glendale, who discovered that one of the spark plugs had come loose and lodged in the engine shalt, thus breaking one of the piston rods, with a resultant engine knock. …”

NHTSA complaint #10906953, filed 2016-09, 260,401 miles

“The contact owns a 2003 Lexus LX470. The contact stated that the horn and GPS did not function. In addition, some of the warning indicators did not illuminate. The vehicle was taken to the dealer where it was diagnosed that the GPS computer system needed to be replaced. The vehicle was not repaired. The vehicle was taken back to the dealer where it was diagnosed that the steering column was damaged due to a remedy of NHTSA campaign number: 10v346000 (steering). The spiral cable needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. …”

NHTSA complaint #10824907, filed 2016-02, 170,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
200418%
2003422%
2002120%
200016%

Other parts of the 2003 Lexus LX470

Steering
5 complaintsBrakes
4 complaintsAir bags
2 complaintsEngine
2 complaintsEquipment
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaintsBody and structure
1 complaintsSuspension
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2003 Lexus LX470

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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