Kia Optima PHEV 2017–2018 — technical service bulletin
Bulletin SC218YZ_TSB · NHTSA communication 10242234 · issued Sep 7, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2018
model years
2
vehicle entries
Official summary
SUBSEQUENT REPAIR ACTION: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (SC218YZ) - This bulletin provides information related to the Technical Service Bulletin previously published (SC218) titled "Engine Inspection/Replacement and KSDS S/W Installation." Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles return to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal Range/Performance).
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.