7-speed DCT low-speed shudder
- Typically appears
- 60,000+ miles
- What to inspect
- Crawl test in traffic

A dependable family hatch with warranty appeal. DCT and diesel emissions hardware are the checks.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026
The most commonly reported faults on the 2012–2025 Hyundai i30 are 7-speed DCT low-speed shudder, 1.6 CRDi DPF issues on short-journey cars and 1.0/1.4 T-GDi coolant loss and carbon build-up. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
Based on the documented faults on this page for the Hyundai i30.
Guidance only · reflects reported patterns, not a specific car's condition.
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
7-speed DCT low-speed shudder
1.6 CRDi DPF issues on short-journey cars
1.0/1.4 T-GDi coolant loss and carbon build-up
Infotainment and camera dropouts
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Check this exact carYes, especially Tourer estates with remaining warranty.
Manual is the safer trade buy; DCT needs a careful test drive.
Full main-dealer stamps to keep the warranty valid.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.