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October 9, 2023 Service bulletin

This updated Vehicle Control Unit (VCU) software package includes the following: • Brake light logic...

Hyundai technical service bulletin 23-01-067H-1 for 2022-2023 Hyundai Ioniq 5 and 2023 Hyundai Ioniq 6.

Bulletin number
23-01-067H-1
Component
Power train
Summary
This updated Vehicle Control Unit (VCU) software package includes the following: • Brake light logic update for regenerative braking. • i-Pedal mode operation logic update. • 12V battery saver logic update allows charging from EV Battery as low as 10% SOC when parked. The Ioniq 5 update includes these earlier items that Ioniq 6 had included from start of production: • EPB (Electronic Parking Brake) auto engagement when shift into Park/auto disengagement shift out of Park when shifting to D or R while brake pedal is engaged. • DTE (Distance to Empty) strategy. • Snow road surface performance. • Air conditioning performance during AC slow charging. • Enhance charging sequence.

Owners of these vehicles have filed 165 complaints in the transmission category.

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