See attached document for complaint.
Electrical system
2014 Lexus IS Electrical problems
Owners have filed 3 complaints about the 2014 Lexus IS's electrical system with NHTSA - 25% of all its complaints, most recently on May 28, 2026. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
- Complaints
- 3
- Recalls
- 0
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Electrical complaints
Vehicles manufactured by Lexus/Toyota from 2014 onward have been reported to experience rainwater intrusion into the trunk area, attributed to a faulty tail light nut composed of plastic with a rubber gasket. Lexus/Toyota is fully aware of this issue, which can lead to water damaging electrical components or result in trunk flooding if the problem goes unnoticed." Causing expensive damage to audio system.as it did with mine.
2014 Lexus is 250, 102,301 miles the audio and entertainment system in the dash board. All radio speckers and sound effects feed back tones. This has happened while "stationary, in motion, city street, and highway. The audio radio, sat, cd or bluetooth and navigation on-screen feedback tones disappear. Options to adjust bass, treble or ect is greyed out and lost. The point pad also looses sound feeback.. Checked all fuses and they are good.
Lexus IS electrical complaints by year
IS electrical problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data