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August 19, 2026 Service bulletin

MIL warning light with DTC P0AA600 and/or P1AA800 with limited charging capabilities

Hyundai technical service bulletin 26-EV-006H TSB for 2026 Hyundai Ioniq 9.

Bulletin number
26-EV-006H TSB
Component
Fuel/propulsion system
Summary
Some IONIQ 9 (ME1A EV) vehicles may illuminate a MIL warning light with DTC P0AA600 and/or P1AA800 with limited charging capabilities. This bulletin provides instructions to replace the Battery System Assembly (BSA) if necessary.

Owners of these vehicles have filed 10 complaints in the fuel system category.

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