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Hyundai TSB #22-HC-002H
2021 Hyundai Santa Fe
TSB Document:
Affected Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Summary
- This bulletin addresses a warning light �Refill Inverter Coolant� displayed on the instrument cluster, but inspection of the under hood blue coolant reservoir is found to be at normal level (not below �MIN� marking on the reservoir bottle). This may be caused by poor flow of antifreeze inside the low-conductivity coolant pipe from internal debris, resulting in unusual high EWP operation being detected. Follow the procedure outlined in this bulletin to flush/discharge debris from the cooling system and replace the blue coolant. To effectively resolve, the flushing must be performed section by section as instructed. After flushing of the cooling system is done, updated BSC-2 coolant will be installed.
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