Early‑2000s Hyundai and Kia sedans/SUVs equipped with conventional 4‑ and 5‑speed automatics experienced shift quality complaints and occasional early failure clusters. Issues were largely addressed via TSBs and conventional warranty repairs. Some class actions referenced transmission durability concerns.
| Year(s) | Make | Model | Should Purchase? | Notes | |
|---|---|---|---|---|---|
| 2001 2002 2003 | Hyundai | Sonata | Awareness |
Transmission: 4‑Speed Automatic – A4BF2 Issues: shift quality complaints, occasional early failure clusters Remedy: TSBs and warranty repairs; referenced in consumer complaints |
|
| 2001 2002 2003 | Hyundai | Santa Fe | Awareness |
Transmission: 4‑Speed Automatic – A4HF1 Issues: harsh shifts, delayed engagement Remedy: TSBs and warranty repairs; class action references noted |
|
| 2001 2002 2003 | Kia | Optima | Awareness |
Transmission: 4‑Speed Automatic – A4HF2 Issues: shift flare, occasional early transmission failure Remedy: TSBs and warranty repairs; settlement coverage referenced |
|
| 2003 2004 2005 | Kia | Sorento | Awareness |
Transmission: 5‑Speed Automatic – A5SR1 Issues: gear hunting, harsh shifts under load Remedy: software calibration updates, warranty repairs Legal context: referenced in consumer complaints and settlement filings |
|
| 2002 2003 2004 2005 | Hyundai | XG350 | Awareness |
Transmission: 5‑Speed Automatic – A5HF1 Issues: delayed engagement, harsh shifts Remedy: TSBs and warranty repairs; class action references noted |