Release notes: over-the-air: service action software update for warning lights (SA634)
Kia technical service bulletin OTA_SA634 for 2026 Kia EV9.
- Bulletin number
- OTA_SA634 (SA634)
- Component
- Electrical system
- Summary
- RELEASE NOTES: OVER-THE-AIR: SERVICE ACTION SOFTWARE UPDATE FOR WARNING LIGHTS (SA634) - This Over-the-Air (OTA) software update is designed to update the Vehicle Control Unit (VCU) logic of certain 2026 EV9 vehicles. This update is designed to improve the processing logic of the Vehicle Control Unit (VCU) to reduce the unintended display of warning lights.
Owners of these vehicles have filed 12 complaints in the electrical category.
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