2014 model year · 2,100+ owner reports · Updated August 2026
According to Au7o's analysis of 2,100+ owner reports, the 2014 Lexus IS has 1 documented issue. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is 8-Speed Automatic Harsh Shifting with 2,100 owner reports. DIY maintenance guides at au7o.io.
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According to Au7o's analysis of 2,100+ owner reports, the 2014 Lexus IS has 1 documented issue. The documented issue is: 8-Speed Automatic Harsh Shifting. None are rated critical, but regular maintenance is recommended.
The 2014 Lexus IS has 1 known issue documented across 2,100+ owner reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
The Aisin 8-speed automatic transmission in the third-generation IS exhibits harsh or jerky shifts, particularly during low-speed 1-2 and 2-3 upshifts and when downshifting for deceleration. The transmission control module programming prioritizes fuel economy over smoothness, lea… Severity: medium.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
