Kia Sorento 2019–2020 — technical service bulletin
Bulletin TSB_ENG220 · NHTSA communication 10177752 · issued Jul 27, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: LAMBDA 3.3L GDI ENGINE HESITATION AT HIGH ALTITUDES LOGIC IMPROVEMENT - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2019-2020MY Sorento (UMa) vehicles equipped with a LAMBDA 3.3L GDI engine, produced from January 22, 2018 through July 22, 2020, which may experience engine hesitation when driving at high altitudes, over 6,000 ft. elevation (2000m).
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.