2019 Infiniti Q50 Problems: 2 Known Issues
2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Infiniti Q50 has 2 documented known issues, with 1 rated critical. The most serious is Accessory Drive Belt Walks Off Pulleys and Shreds (TSB ITB18-012) ($250-$1,200 repair). Across all issues with published estimates, repair costs range from $250 to $1,500. DIY maintenance guides at au7o.io.
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Frequently Asked Questions
What are the most common Infiniti Q50 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Infiniti Q50 has 2 documented issues. The most frequently reported are: Accessory Drive Belt Walks Off Pulleys and Shreds (TSB ITB18-012), InTouch Infotainment System Lag and Freezing. Of these, 1 is rated critical and should be addressed promptly.
Is the Infiniti Q50 reliable?
The 2019 Infiniti Q50 has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Accessory Drive Belt Walks Off Pulleys and Shreds (TSB ITB18-012). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Infiniti Q50 problems?
Repair costs for known Infiniti Q50 issues range from $0 to $1,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Accessory Drive Belt Walks Off Pulleys and Shreds (TSB ITB18-012), typically costs $250-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2016-2019 Infiniti Q50 Accessory Drive Belt Walks Off Pulleys and Shreds (TSB ITB18-012)?
Early-production VR30DDTT engines leave the factory with the A/C compressor pulley bracket slightly out of plane with the rest of the accessory drive. The misalignment makes the serpentine belt track toward the edge of the smooth idler pulley, where it frays, walks off, and event… Repairs typically run $250-$1,200. Severity: high.
What is the 2014-2026 Infiniti Q50 InTouch Infotainment System Lag and Freezing?
The dual-screen InTouch infotainment system suffers from significant lag, freezing, and occasional black screens. The system uses an outdated processor that struggles with modern navigation and connectivity demands. Repairs typically run $0-$1,500. 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.