What is the 2020-2023 Kia Soul Piston Oil Ring Defect and Excessive Oil Consumption?

NHTSA recall 21V259000 (Kia SC209) covers certain 2020-2021 Soul vehicles with 2.0L Nu MPI engines whose piston oil rings may not have been properly heat-treated. Kia communication 11017169/SST082 indexes a later PNSS vibration-inspection process to certain 2020-2023 Soul vehicle… Severity: high.

Kia · Known Issues

2021 Kia Soul Problems: 2 Known Issues

2021 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026

Share:@au7o.io

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2021 Kia Soul has 2 documented known issues, with 2 rated critical. The most serious are Piston Oil Ring Defect and Excessive Oil Consumption and Recall 25V099000 (Kia SC336): Improperly Manufactured Piston Oil Rings Can Destroy the Engine. DIY maintenance guides at au7o.io.

2021 Kia Soul Problems: 2 Known Issues

All 2 Known Issues

2020-2023 Kia Soul: Piston Oil Ring Defect and Excessive Oil Consumption#

Common Symptoms

How to Fix

Research This Issue

2021-2023 Kia Soul: Recall 25V099000 (Kia SC336): Improperly Manufactured Piston Oil Rings Can Destroy the Engine#

Common Symptoms

How to Fix

Research This Issue

Other Kia Models

Frequently Asked Questions

What are the most common Kia Soul problems?

Is the Kia Soul reliable?

What is the 2020-2023 Kia Soul Piston Oil Ring Defect and Excessive Oil Consumption?

What is the 2021-2023 Kia Soul Recall 25V099000 (Kia SC336): Improperly Manufactured Piston Oil Rings Can Destroy the Engine?