Kia Forte 2017–2018 — technical service bulletin
Bulletin SC203_TSB · NHTSA communication 10202787 · issued Oct 25, 2021
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
2
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: ECM UPDATE FOR OBD LOGIC IMPROVEMENT (SC203) - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2017-2018MY Forte (YDm) vehicles equipped with the NU 2.0L MPI engine, produced from May 27, 2016 through June 27, 2018. While this issue has no effect on the drivability of the vehicle, nor does it release any air pollutants, the vehicle may fail a SMOG check and/or may not illuminate the Malfunction Indicator Light (MIL) for certain fuel system failures. In order to improve On-Board Diagnostics (OBD) logic, a
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.