Service bulletin PS330

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10060168
Published by NHTSA	2016-03-16
Manufacturer's number	PS330
Manufacturer's date	2014-08-01
NHTSA component	ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Equipment and accessories, Software

Vehicles listed
KIA OPTIMA	2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PI1803_TSB_R6	2021-08-02. Service bulletin. TECHNICAL SERVICE BULLETIN - PRODUCT IMPROVEMENT CAMPAIGN PI1803_TSB_R6: KNOCK SENSOR DETECTION SYSTEM - ECU - LOGIC IMPROVEMENT (PI1803) - This bulletin has been revised to include additional information. This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
TSB_TRA059	2020-12-04. Service bulletin. TECHNICAL SERVICE BULLETIN: HCU/TCU UPGRADE - FOR 100 MESH SOLENOID EQUIPPED HYBRID TRANSMISSIONS -This bulletin provides information related to a software upgrade of the Hybrid Control Unit (HCU) and the Transmission Control Unit (TCU) of some 2011-2016 MY Optima Hybrid (TF HEV) vehicles after replacement of the transmission with improved 100 mesh solonoid filters has taken place. To apply the improved logic, the HCU/TCU should be reprogrammed using the GDS/KDS download, as described in this bulletin.
PI1802_TSB_R8	2019-12-09. Service bulletin. TSB - Product Improvement Campaign: KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1802) - This bulletin has been revised to include additional information. This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
TSB_PI1803_R2	2019-06-04. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN - KNOCK SENSOR DETECTION SYSTEM - ECU LOGIC IMPROVEMENT (PI1803) - This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.
PI1803_OWN#2_OPT	2019-04-30. Service bulletin. OWNER LETTER: Dear Kia Optima Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on all 2011-2013 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection ("GDI") and 2.0L Turbocharged GDI ("T-GDI") engines, and some 2014 MY Optima vehicles equipped with 2.4L GDI and 2.0L T-GDI engines to protect the engine from excessive connecting rod bearing damage. The update will be done free of charge and will only involve the addition of newly developed computer software for the Engine Control Unit ("ECU").
PI1802WX_TSB_R5	2019-04-30. Service bulletin. 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 6, 01/31/2019) 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.
PI1802WX_TSB_R4	2019-04-30. Service bulletin. 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 6, 01/31/2019) 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.
VPI1803_DP	2018-11-13. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN (PI1803) - DEALER PRINCIPAL LETTER - Attention: All Kia Dealer Principals, Kia is conducting a Product Improvement Campaign to perform a software update to the Engine Control Unit (ECU) to protect the engine from excessive connecting rod bearing damage.
VPI1802A1_OWNER	2018-10-09. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - OWNER LETTER - Dear Kia Optima Owner: As we previously notified you, Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on some 2014 MY Optima vehicles equipped with 2.4L Gasoline Direct Injection (?GDI?) engines, and all 2015 MY Optima vehicles equipped with 2.4L GDI and 2.0L Turbocharged GDI (?T-GDI?) engines to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?). Our records show that the KSDS software was recently installed in your vehicle and we want to thank you for your quick action. Since then, Kia has become aware that the KSDS software version installed in your vehicle has an error and requires the installation of a new corrected software.
VPI1802A1_DSM	2018-10-09. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN (PI1802A1) UPDATE - DEALER SERVICE MANAGER LETTER - As announced in July 2018, Kia Motors America, Inc. has been conducting a Product Improvement Campaign (PI1802) to perform a software update to protect the engine from excessive connecting rod bearing damage by utilizing a Knock Sensor Detection System (?KSDS?) on certain Kia vehicles. Since the launch of this Product Improvement Campaign, Kia has become aware that the KSDS software version installed on 2014~2015 MY Optima vehicles before September 7, 2018 has an error and requires the installation of a new corrected software.