Hyundai Santa FE Plug-In Hybrid 2022 — technical service bulletin
Bulletin 23-01-051H-1 · NHTSA communication 10238393 · issued Jun 27, 2023
Technical service bulletin
communication type
Power Train
component
2022
model years
2
vehicle entries
Official summary
This bulletin provides information related to the cleaning of the cooling system and coolant change to address the following problem: ï · â Refill Inverter Coolantâ warning light displayed on the cluster ï · No DTCâ s present ï · Normal level of coolant in Inverter Reservoir Tank ï · Measured EWP Speed > 2,800 RPM
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.