2003 Lexus GS300 Electrical system Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- 89,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2003 Lexus GS300, 8% of the 12 complaints for this model year. Where a mileage was given, the median is 89,000 miles. 1 of these say a crash was involved and 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 2003 Lexus GS300. The contact stated that he depressed the brake pedal and the vehicle accelerated, causing him to crash into another vehicle. There were no injuries. The vehicle was taken to the dealer for inspection but they could not diagnose the cause of the failure. The contact also stated that as a mechanic test drove the vehicle, the engine caught on fire due to a short in the electrical wires. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 89,000.”
NHTSA complaint #10525475, filed 2013-07, 89,000 milesRelated service bulletins
- 10131726Jan 22, 2018TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0021-14. * Applicability has been updated to include applicable 2018…
- 10111398Apr 10, 2015LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many…
- 10111205Apr 10, 2015LSB: When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many…
- 10109449Oct 23, 2014TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10205331Jul 7, 2014Immobilizer and Smart Key Reset
- 10205330Jul 7, 2014Immobilizer and Smart Key Reset
- 10205329Jul 4, 2014Immobilizer and Smart Key Reset.
- 10205327Jun 12, 2014Techstream ECU Flash Reprogramming Procedure.
- 10132777Jun 12, 2014TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10133866Feb 27, 2013Navigation/ Multi Info Display Day Mode Operation
Electrical system: other model years
Other parts of the 2003 Lexus GS300
4 complaintsTires
3 complaintsBrakes
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsEngine
1 complaintsLatches, locks and linkages
1 complaintsBody and structure
1 complaints
← All problems reported for the 2003 Lexus GS300
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