Kia Rio 2019 — technical service bulletin
Bulletin TSBENG202 · NHTSA communication 10159246 · issued Apr 5, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019
model years
1
vehicle entries
Official summary
TSB: SERVICE ACTION: ECU LOGIC IMPROVEMENT FOR DTC P0128 (SA374) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019MY Rio (SC) vehicles, produced from August 27, 2018 through March 4, 2019, which may experience a malfunction indicator light (MIL) ON with DTC P0128.
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.