2021 Kia Soul defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2021 Kia Soul. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• Kia 25V099 Piston Oil Ring Recall Effectiveness
  Audit Query AQ25001 · opened Aug 6, 2025 · closed Dec 18, 2025

  On August 6, 2025, the Office of Defect Investigation (ODI) opened Audit Query (AQ) 25001 to assess the implementation of Kia America, Inc.’s (Kia) remedy program for Safety Recall 25V099, involving incorrectly manufactured piston oil rings which may damage the engine causing a loss of motive power or fire. This AQ was…