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September 7, 2023 Service bulletin

Subsequent repair action: engine replacement instructions for DTC P1326 (SC218YZ)

Kia technical service bulletin SC218YZ_TSB for 2017-2018 Kia Optima PHEV.

Bulletin number
SC218YZ_TSB
Component
Engine and engine cooling
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).

Owners of these vehicles have filed 15 complaints in the engine category.

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