Hyundai Sonata Hybrid 2016–2019 — technical service bulletin
Bulletin 21-EM-007H · NHTSA communication 10199106 · issued Jun 10, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2019
model years
8
vehicle entries
Official summary
This bulletin describes the procedure to diagnose and repair the Engine Electric Water Pump (EEWP) on certain Sonata Hybrid (LF HEV) and Sonata Plug-In Hybrid (LF PHEV) vehicles with DTC P2600, causing an HEV and/or MIL warning lamp illumination.
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.