Kia Optima 2014–2015 — technical service bulletin
Bulletin VPI1802WX_TSB · NHTSA communication 10147423 · issued Oct 18, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2015
model years
5
vehicle entries
Official summary
PRODUCT IMPROVEMENT CAMPAIGN (PI1802) - TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802W/X) - This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1802, Rev 2, 09/24/2018) titled ?Knock Sensor Detection System - ECU Logic Improvement?. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns to the dealer with Diagnostic Trouble Code (?DTC?), P1326.
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.