Service bulletin VSC148QA

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	10109847
Published by NHTSA	2017-08-02
Manufacturer's number	VSC148QA
Manufacturer's date	2017-05-09
NHTSA component	EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

SC148QA - CAMPAIGN QUESTION AND ANSWERS REGARDING SC148QA

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Labels and manuals

Vehicles listed
KIA SORENTO	2011, 2012, 2013, 2014, 2015

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

Recalls for the same vehicles and component
2024549	2024-08-15. Label

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
CS2304_TSB_R6	2023-11-03. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2304) - 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), or Intelligent Integrated Platform Module (IPM) system on certain 2011-2015MY Sorento (XMa), 2016-2020MY Sorento (UMa), and 2021-2022MY Sorento (MQ4a) 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.
TSB_ENG222_R4	2021-12-23. Service bulletin. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - 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 on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption.
TSB_SST067_R1	2021-12-01. Service bulletin. This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier however, in some cases, due to variable shop compressor air pressure, the SST may need to be re-calibrated to ensure that the tool provides accurate readings when testing the engine rod bearing wear. The calibration and BCT measuring point maintenance is included in this bulletin.
PI1803YZ_TSB_R5	2021-12-01. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - 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 related to the Technical Service Bulletin previously published PI1803 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. 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 (Knock Signal Range/Performance).
PI1802YZ_TSB_R5	2021-12-01. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - 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 related to the Technical Service Bulletin previously published PI1802 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. 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 (Knock Signal Range/Performance).
PI2002YZ_TSB_R2	2021-10-02. Service bulletin. TECHNICAL SERVICE BULLETIN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI2002Y/Z) - 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 related to the Technical Service Bulletin previously published in (PI2002A, PI2002B and SC200**1) 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 return to the dealer with Diagnostic Trouble Code (DTC) P1326 (Knock Signal Range/Performance).
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_ENG222_R1	2021-02-02. Service bulletin. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA ENGINES - 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 on diagnosing and/or repairing some 2011-2019MY vehicles (refer to table below for applicable model and engine), which may exhibit a symptom of excessive oil consumption.
PI2101_DSM	2021-02-02. Service bulletin. PRODUCT IMPROVEMENT CAMPAIGN - DEALER SERVICE MANAGER LETTER - This document is notice to the Dealer Service Managers advising them of the Product Improvement Campaign.
TSBELE100R2	2020-12-03. Service bulletin. TSB - COMBINATION TSB / SERVICE ACTION: UVO SYSTEM UPGRADE (SA222) - 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 for upgrading the UVO system on some 2014~2016MY Soul (PS), Sorento (XMa), Optima (TF/QF), Forte (YD) and Sportage (SL) vehicles to address "Incoming ring volume too loud" complaints when using certain smartphones (non-iPhone). Additionally, in 2014MY vehicles the upgrade will also improve Bluetooth connectivity and voice recognition.