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Vehicle speed controlPart report

2003 Lexus LS430 Vehicle speed control Problems

Complaints
3about this part
Share
13%of 23 total for the year
Median mileage
47,458miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the vehicle speed control of the 2003 Lexus LS430, 13% of the 23 complaints for this model year. Where a mileage was given, the median is 47,458 miles. 1 of these say a crash was involved, 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.

“Dt: the contact stated the cruise control switch engaged and the vehicle stalled. Although, the vehicle stalled the engine was easily restarted. The vehicle exhibited no further stalling problems until the cruise control was engaged. Afterwards, the vehicle stalled as previously stated. After restarting the engine the contact continued driving and did not engage the cruise control. The vehicle has not been seen by a dealer.”

NHTSA complaint #10147657, filed 2006-01, 41,565 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
20051257%
2004518%
2003313%
2002413%
2001713%

Other parts of the 2003 Lexus LS430

Body and structure
8 complaintsAir bags
3 complaintsTires
2 complaintsBrakes
1 complaintsEngine cooling
1 complaintsEquipment
1 complaintsFuel system
1 complaintsLatches, locks and linkages
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsTransmission and drivetrain
1 complaintsWheels
1 complaints

← All problems reported for the 2003 Lexus LS430

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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