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Service bulletin 057-REV3A

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 id10072918
Published by NHTSA2016-06-22
Manufacturer's number057-REV3A
Manufacturer's date2014-01-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

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, Software

Vehicles listed
KIA SORENTO2014

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_R62021-08-02. 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_PI1803_R22019-06-04. 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_SOR2019-04-30. Service bulletin. OWNER LETTER: Dear Kia Sorento Owner: Kia Motors America, Inc. is conducting an important Product Improvement Campaign to perform a software update on 2012-2014 MY Sorento vehicles equipped with 2.4L 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 newly developed computer software for the Engine Control Unit ("ECU").
VPI1803_DP2018-11-13. 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.
TSBELE091R32017-12-22. Service bulletin. TSB - IDENTIFYING HEAD UNIT SOFTWARE VERSION FOR DIRECT EXCHANGE - This bulletin provides the procedure on how to identify and record the head unit software level on various head unit platforms and generations.
TSB-ELE091R12017-08-31. Service bulletin. TSB: IDENTIFYING HEAD UNIT SOFTWARE VERSION FOR DIRECT EXCHANGE - Identifying Head Unit Software Version For Direct Exchange (ELE091) (Rev 1) - This bulletin provides the procedure on how to identify and record the head unit software level on various head unit platforms and generations. This procedure will now be required when ordering head units through the Direct Exchange Program (see Parts Bulletin 91-961-0005).
TSB-ELE101R32017-08-02. Service bulletin. TSB: BASE AUDIO SYSTEM UPGRADE - This bulletin provides the procedure for upgrading the base audio system software of some 2014MY Soul (PS), Sorento (XMa), Optima (TF, QF), Forte (YD), Sportage (SL), and Rio (UB) vehicles, to improve Bluetooth® connectivity, Phonebook Download, Audio Streaming and Call History Download.
TSB-ELE062R22017-08-02. Service bulletin. TSB: NAVIGATION UNIT SOFTWARE UPGRADE - This bulletin provides the procedure for upgrading the navigation system software on some 2014MY Cadenza (VG) Sorento (XMa) and Optima (TF/QF) vehicles, produced from March 11, 2013 through January 24, 2014.
TSB-ENG160R12017-08-02. Service bulletin. TSB: ECU UPGRADE ? MIL ON WITH DTC(s) P0420/P0171 - This bulletin provides information related to the ECU software upgrade for some 2012~2015MY Optima (QF) vehicles, produced from August 12, 2011 to October 2, 2015, some 2012~2015MY Sorento (XMa) vehicles, produced from April 19, 2011 to December 11, 2014, some 2011~2015MY Optima (TF) vehicles, produced from August 12, 2010 to July 23, 2015, and some 2014~2016MY Sportage (SL) vehicles, produced from September 30, 2013 to November 16, 2015, which may experience a malfunction indicator lamp (MIL) illuminated with the Electronic Control Unit (ECU) system-related DTC(s): P0420 and possibly P0171. This concern occurs most commonly during prolonged engine braking while descending a steep grade.
TSB-ELE053R12017-08-02. Service bulletin. TSB: UVO UPGRADE ? SORENTO (XM) AND FORTE (YD) - This bulletin provides the procedure for upgrading the UVO system on some 2014MY Sorento (XM), produced from January 22, 2013 through April 30, 2013, and 2014MY Forte (YD), produced from January 22, 2013 through July 16, 2013, which may exhibit a concern related to slow system start-up (boot-up time longer than 30 seconds).