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Colorado · Article Updated May 24, 2026

Hyundai Cases Under Colorado Lemon Law

Hyundai cases in Colorado — Theta II engine failures, Smartstream transmission, Ioniq 5/6 EV, and Genesis luxury patterns.

Hyundai (including Genesis) has strong Colorado market share. Hyundai cases are pursued under C.R.S. § 42-10-104 and CCPA.

Common Hyundai defect patterns

  • Theta II GDI engine failures (long-standing pattern; class actions; recalls).
  • Smartstream IVT (CVT) issues.
  • 8-speed automatic shift issues.
  • Ioniq 5 / 6 ICCU (Integrated Charging Control Unit) failures.
  • E-GMP platform OTA, BMS issues — Colorado cold/altitude relevant.
  • Palisade / Telluride electrical glitches.
  • Sonata Hybrid battery cooling issues.
  • Bluelink connectivity failures.

Ioniq 5 / 6 EV patterns

  • ICCU failures.
  • DC fast-charging throttling.
  • 12V auxiliary battery dead.
  • OTA update history.
  • Range degradation in Colorado cold + altitude.

Genesis-specific patterns

  • G80 / G90 air suspension issues.
  • GV70 / GV80 infotainment crashes.
  • Electrified GV70 EV BMS issues.

Hyundai TSB / recall overlay

Heavy TSB pattern.

Bottom line

Hyundai cases — particularly Theta II GDI engine and Ioniq 5/6 ICCU cases — are well-positioned for Colorado Lemon Law and CCPA bad-faith pleading.

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