Electrical systemPart report
2003 Lexus IS Electrical system Problems
- Complaints
- 1about this part
- Share
- 8%of 12 total for the year
- Median mileage
- 49,000miles
- 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 IS, 8% of the 12 complaints for this model year. Where a mileage was given, the median is 49,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10164328Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process…
- 10133651Nov 21, 2017TSB: REVISION NOTICE November 22, 2017 Rev1: ? Applicability has been updated to include 2014 ? 2018 model year vehicles. Any previous printed versions of this bulletin should be…
- 10205331Jul 7, 2014Immobilizer and Smart Key Reset
- 10205329Jul 4, 2014Immobilizer and Smart Key Reset.
- 10205327Jun 12, 2014Techstream ECU Flash Reprogramming Procedure.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 20% |
| 2017 | 2 | 18% |
| 2015 | 3 | 33% |
| 2014 | 3 | 25% |
| 2012 | 1 | 6% |
| 2010 | 3 | 7% |
| 2009 | 3 | 8% |
| 2008 | 6 | 6% |
| 2007 | 10 | 8% |
| 2006 | 11 | 8% |
| 2003 | 1 | 8% |
Other parts of the 2003 Lexus IS
Air bags
4 complaintsBody and structure
4 complaintsEngine
3 complaintsBrakes
2 complaintsOther or unknown
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
4 complaintsBody and structure
4 complaintsEngine
3 complaintsBrakes
2 complaintsOther or unknown
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2003 Lexus IS
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