Kia Rio 2020 — technical service bulletin
Bulletin TSB_CHA109 · NHTSA communication 10186037 · issued Jan 8, 2021
Technical service bulletin
communication type
Steering
component
2020
model years
1
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: MDPS LOGIC UPDATE FOR DTC C125901 & C111201 (SA456) - This bulletin provides the procedure to improve the logic of the Electronic Power Steering (EPS) software on some 2020MY Rio vehicles produced September 28, 2020 through November 21, 2020, which may exhibit reduced steering assist and MIL ON with DTC(s) C125901 and/or C111201.
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.