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Service bulletin PS422

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)
TypeService bulletin
NHTSA id10089620
Published by NHTSA2017-01-26
Manufacturer's numberPS422
Manufacturer's date2015-07-31
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

PITSTOP: ABS HECU REPLACEMENT DUE TO HESITATION CONCERNS - WHEN ADDRESSING CUSTOMER CONCERNS REGARDING HESITATION FROM THE VEHICLE ON HARD ACCELERATION, TEST DRIVE THE VEHICLE TO VERIFY THE CONCERN. PRIOR TO TEST DRIVING THE VEHICLE, ELIMINATE COMMON ELECTRONIC STABILITY CONTROL (ESC) TRIGGER FACTORS SUCH AS EXCESSIVE OR UNEVENLY WORN TIRES AND SLIPPERY ROAD CONDITIONS. IF DURING HARD ACCELERATION TESTING THE ESC LIGHT ILLUMINATES ON THE DASH AND ABNORMAL HESITATION IS EXPERIENCED, REPLACE THE ABS HYDRAULIC ELECTRONIC CONTROL UNIT (HECU) WITH A MODULE CONTAINING THE LATEST S/W VERSION. NOTE: ALWAYS VERIFY LATEST APPLICABLE P/N INFORMATION USING EPC.

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

Vehicles listed
KIA OPTIMA2012, 2013

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

Recalls for the same vehicles and component
20232752023-05-08. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_CLI049_R22026-09-02. Service bulletin. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR – ELECTRICAL A/C COMPRESSOR - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima Hybrid (TF HEV, JF HEV/PHEV), 2015MY~ Soul EV (PS EV), 2017MY~ Niro (DE HEV/PHEV/EV), 2022MY~ EV6 (CV), 2021MY~ Sorento (MQ4 HEV/PHEV), 2023MY~ Sportage (NQ5 HEV/PHEV), and 2023MY~ Niro (SG2 EV/HEV/PHEV) vehicles.
SC269_OWNR_4012026-07-21. Service campaign. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC269 FLIGHT #401) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the high-voltage fuse in 2013-2016 MY Optima Hybrid vehicles.
SC269_OWNR_3012025-03-26. Service campaign. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC269) - This document is the owner renotification advising that Kia conducting a Voluntary Service Campaign to inspect and, if necessary, replace the high-voltage fuse in 2013-2016 MY Optima Hybrid vehicles.
SC269_TSB_R12024-08-21. Service bulletin. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HIGH-VOLTAGE BATTERY SAFETY PLUG FUSE INSPECTION AND REPLACEMENT (SC269) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to inspect and, if necessary, replace the High Voltage Battery (HVB) Safety Plug Fuse Assembly or Main Fuse on 2013-2016MY Optima Hybrid (TF HEV) vehicles produced from September 27, 2012 through July 22, 2015. The high-voltage fuse in the subject vehicles may have been replaced with an improper non-OEM aftermarket fuse by third-party repair facilities. A fuse of incorrect capacity may experience a shortened service life, which may result in illumination of the “Hybrid System Warning” and/or “Check Engine Light,” followed by a no-start condition. If an improper non-OEM aftermarket fuse is installed, it may fail and result in a fire.
SC269_OWNR_F22024-08-14. Service campaign. VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC269) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to inspect and, if necessary, replace the high-voltage fuse in 2013-2016 MY Optima Hybrid vehicles.
CS2303_TSB_R42024-06-13. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation which activates when the vehicle is locked with the use of the key fob.
CS2310_TSB_R12023-08-24. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to update the software logic in the Kia Genuine Remote Start Control Module on certain 2012-2022MY model vehicles listed on page 7. Vehicles equipped with a Kia Genuine Remote Start feature and have had the Anti-Theft software logic (CS230*) applied to the Integrated Body Control Unit (IBU) or Body Control Module (BCM) may experience five (5) inadvertent honks after starting the vehicle with the remote start feature.
CS2303B_OWNR22023-08-02. Service bulletin. CUSTOMER SATISFACTION CAMPAIGN: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of the original letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to the vehicle to discourage a break-in.
SC269_TSB2023-08-02. Service bulletin. VOLUNTARY SERVICE CAMPAIGN: HIGH-VOLTAGE BATTERY SAFETY PLUG FUSE INSPECTION AND REPLACEMENT (SC269) - This bulletin provides information to inspect and, if necessary, replace the High Voltage Battery (HVB) Safety Plug Fuse Assembly or Main Fuse on 2013-2016MY Optima Hybrid (TF HEV) vehicles produced from September 27, 2012 through July 22, 2015. The high-voltage fuse in the subject vehicles may have been replaced with an improper aftermarket fuse by third-party repair facilities. A fuse of incorrect capacity may experience a shortened service life, which may result in illumination of the “Hybrid System Warning” and/or “Check Engine Light,” followed by a no-start condition. Furthermore, an improper aftermarket fuse may fail and result in a fire.
SC269_QA2023-08-02. Service bulletin. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign (SC269).