Release notes: over-the-air: service action: software update for rcm (SA620)
Kia technical service bulletin OTA_SA620 for 2025 Kia K4.
- Bulletin number
- OTA_SA620 (SA620)
- Component
- Electrical system
- Summary
- RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION: SOFTWARE UPDATE FOR RCM (SA620) - This Over-the-Air (OTA) software update is designed to update the Roof Control Module (RCM) of certain 2025 K4 vehicles. This update is designed to improve software logic for a smoother sunroof response during one-touch actuation.
Owners of these vehicles have filed 15 complaints in the electrical category.
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