Hyundai Santa Cruz 2022–2023 — technical service bulletin
Bulletin 25-EM-005H TSB · NHTSA communication 11019881 · issued Jun 24, 2025
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
2
vehicle entries
Official summary
Certain 2022-2023MY Santa Cruz (NXT) vehicles may exhibit a warning lamp illumination for a diagnostic trouble code P218100 that is related to the Integrated Thermal Management Module (ITM). Follow the service procedure outlined in this bulletin to replace the ITM with a revised part and update the Engine/Electronic Control Unit (ECU).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.