Service bulletin PS373R1

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	10089787
Published by NHTSA	2017-01-27
Manufacturer's number	PS373R1
Manufacturer's date	2015-02-03
NHTSA component	EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM

NHTSA's summary

PITSTOP: MODE SWITCHES FROM SIRIUSXM® OR FM TO AM - THIS PITSTOP PROVIDES INFORMATION TO ADDRESS POSSIBLE CUSTOMER COMPLAINTS ON AVN 4.0 (NAVIGATION HEAD UNIT) RELATING TO: * MODE SWITCHES TO AM (USUALLY FROM SIRIUSXM® , FM, CD, OTHER MEDIA MODE OR FROM NAVIGATION) AFTER STARTUP. * “PREPARING SIRIUS” IS SHOWN ON THE DISPLAY PRIOR TO THE UNIT SWITCHING TO AM. * ISSUE BEGAN AT THE START OF THE NEW YEAR (AFTER JANUARY 1ST, 2015).

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

Vehicles listed
KIA OPTIMA	2015
KIA SEDONA	2015
KIA SOUL	2015
KIA SOUL EV	2015 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
2024345	2024-06-14. Electrical
23V724000	2023-10-26. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); ELECTRICAL SYSTEM:SOFTWARE
2023275	2023-05-08. Electrical
23V218000	2023-03-29. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
2021680	2021-11-05. Electrical
21V725000	2021-09-17. EXTERIOR LIGHTING:TURN SIGNAL; ELECTRICAL SYSTEM:SOFTWARE
20V389000	2020-07-02. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
19V109000	2019-02-19. ELECTRICAL SYSTEM:WIRING
18V338000	2018-05-23. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM:SOFTWARE

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_R2	2026-09-02. 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_401	2026-07-21. 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.
PI2104_OWNR_501	2026-03-31. Other. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2104 FLIGHT 501) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2014-2016 MY Optima Hybrid vehicles equipped with 2.4-liter MPI 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”).
SC310Z_TSB_R1	2026-03-12. Service bulletin. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: HIGH-VOLTAGE BPA REPLACEMENT (SC310Z REV 1) - 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 replacement of the High-Voltage Battery Pack Assembly (HV BPA) on certain 2015-2017MY SOUL EV (PS EV) produced from July 15, 2014 through June 30, 2017 which were not included in SC267 Safety Recall Campaign and have completed TSB ELE310 and/or SC310A. The affected vehicles require replacement of the HV BPA due to the MIL ‘ON’ with related DTC(s) described on page 2.
SC267Z_TSB_R2	2026-03-12. Service bulletin. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: HIGH-VOLTAGE BATTERY PACK ASSEMBLY REPLACEMENT (SC267Z REV 2) - 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 replace the high-voltage battery pack assembly (HV BPA) on certain 2015-2019MY Soul EV (PS EV) vehicles produced from July 15, 2014 through September 28, 2018. After completing SC267 with the latest battery management system (BMS) software upgrade, the subject vehicles may subsequently require the replacement of the HV BPA due to MIL ON with a BPA related DTC(s).
PI2002B_OWNR_701	2026-02-26. Other. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2002B FL701) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2014-2016 MY Soul vehicles equipped with 2.0L Gasoline Direct Injection (“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 this computer software for the Engine Control Unit (“ECU”).
PI2104_OWNR_401	2025-07-23. Other. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2104) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2014-2016 MY Optima Hybrid vehicles equipped with 2.4-liter MPI 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”).
PI2002B_OWNR_601	2025-06-19. Other. PRODUCT IMPROVEMENT CAMPAIGN: OWNER RENOTIFICATION (PI2002B) - This document is the owner renotification advising that Kia is conducting a Product Improvement Campaign to perform a software update on 2014-2016 MY Soul vehicles equipped with 2.0L Gasoline Direct Injection (“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 this computer software for the Engine Control Unit (ECU).
SC269_OWNR_301	2025-03-26. 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.
CS2311_TSB_R3	2024-10-23. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: THEFT DETERRENT IGNITION CYLINDER PROTECTOR & DECAL INSTALLATION (CS2311) - 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 install a Theft Deterrent Ignition Cylinder Protector on certain 2010-2022MY Kia vehicles outlined on page 15, which may not have been equipped with an immobilizer and whose Integrated Body Control Unit (IBU) / Body Control Module (BCM) are not able to receive the Anti-Theft Software Logic upgrade under CS2301/02/03/04/05/06/07/08/09 TSBs. In an effort to help prevent thefts of Kia vehicles that are not equipped with an immobilizer, a protective cover will be permanently affixed to the ignition cylinder. This Theft Deterrent Ignition Cylinder Protector prevents the removal of the key lock cylinder thereby preventing access to the ignition tumbler.