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Service bulletins for the 2012 Kia Sorento

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.

233 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
PI1803YZ_TSB_R32020-08-03. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z_Rev3) - This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1803, Rev 10, 03/16/2020) titled "Knock Sensor Detection System - ECU Logic Improvement".
DOR-M9J4S-072020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
DOR-M3J3F-072020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
PI1803YZ_TSB_R22020-07-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. TSB: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1803, Rev 10, 03/16/2020) 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).
TSB_TRA046_R12020-05-05. Service bulletin. POWER TRAIN. TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles on page 2. Refer to the shop manual on KGIS for the specific Kia model for the correct transmission fluid check/fill procedures.
TSB_ENG205_C2020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: WIRING SIGNAL INTERFERENCE CHECK & ENGINE NOISE INSPECTION (SA379) - CLOSED - SUPERSEDED BY PI1802YZ/1803YZ.
PI1803YZ_TSB_R12020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information.This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1803, Rev 10, 03/16/2020) 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).
PI1803WX_TSB_R5C2020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803W/X) - CLOSED - This bulletin has been superseded by PI1803Y/Z.
PI1803Y/Z_TSB2020-04-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: TSB - ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 (PI1803, Rev 10, 03/16/2020) 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_R52020-04-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: TSB - REV 5 -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_BOD2052020-04-07. Service bulletin. STRUCTURE; SEATS. TECHNICAL SERVICE BULLETIN: OCCUPANT DETECTION SYSTEM (ODS) SENSOR PAD REPLACEMENT - This bulletin provides the procedure to replace the front passenger Occupant Detection System (ODS) Sensor Pad on 2011-2015MY Sorento (XMa) vehicles produced from September 24, 2009 through December 11, 2014.
TSB_CHA091_R12020-02-04. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN: STEERING GEAR YOKE PLUG AND ASSEMBLY REPLACEMENT - This bulletin has been revised to include additional information. This bulletin provides the procedure to replace the steering gear box yoke plug and assembly on some models listed below, which may exhibit a ticking noise while turning the steering wheel with the vehicle stopped. This condition is caused by a worn lining on the steering gear box yoke assembly. Follow the procedure outlined in this bulletin to replace the steering gear box yoke plug and assembly with updated parts.
PI1803WX_TSB_R52019-12-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING. TSB: PRODUCT IMPROVEMENT CAMPAIGN PI1803W/X_R5: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803W/X) - This bulletin has been revised to include additional information. This bulletin provides information related to the Technical Service Bulletin previously published in November 2018 (PI1803, Rev 1, 01/02/2018) 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.
PI1803_TSB_R42019-12-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN - PRODUCT IMPROVEMENT CAMPAIGN PI1803_TSB_R4: 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.
TSBCHA084_R42019-12-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; STEERING. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power Steering (C-MDPS) unit. Follow the MDPS Flowchart (page 2) along with the MDPS DTC Table (page 3) procedure outlined in this bulletin before replacing the C-MDPS Motor, ECU or Steering Column Housing.
TSBCHA084_R32019-11-07. Service bulletin. STEERING. TECHNICAL SERVICE BULLETIN TSB084_R3: PARTIAL REPAIR OF C-MDPS MOTOR, ECU AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information.This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU) or Steering Column Housing on some 2010MY~ Kia models listed on page 5 equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
PI1803_TSB_R32019-11-07. Service bulletin. ENGINE AND ENGINE COOLING. PRODUCT IMPROVEMENT CAMPAIGN: 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
WTY003_REIMB2019-09-06. Service bulletin. EQUIPMENT; AIR BAGS. This document is a Request for Reimbursement Form sent to the owners along with the notification letter to be used if the customer has paid for repairs to the airbag clock spring assembly.
WTY003_OWNER2019-09-06. Service bulletin. AIR BAGS; EQUIPMENT. WTY003_OWNER: This document is the owner notification letter advising the owners of the warranty extension on the 2011-2015 My Sorento Airbag Clock Spring Assembly.
TSB_PI1803_R22019-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. 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.
TSBELE179_R12019-06-04. Service bulletin. EXTERIOR LIGHTING. TSB: HALOGEN LOW BEAM BULB CONNECTOR REPLACEMENT - This bulletin provides the procedure to replace the halogen low beam bulb connector on some 2011 - 2013MY Sorento (XMa) vehicles, produced from October 24, 2009 through January 31, 2013, which may experience an inoperable low beam bulb due to poor terminal contact at the low beam bulb connector.
WTY012_REIMB_XM2019-04-30. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. REQUEST FOR REIMBURSEMENT FORM - WTY012 – 2011-2013 MY SORENTO HEADLAMP LOW BEAM CONNECTOR WIRING HARNESS NEW VEHICLE LIMITED WARRANTY EXTENSION
WTY012_QA2019-04-30. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Q & A - 2011-2013 MY SORENTO HEADLAMP LOW BEAM CONNECTOR NEW VEHICLE LIMITED WARRANTY EXTENSION
WTY012_OWNR_XM2019-04-30. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Dear Kia Sorento Owner - Kia Motors America, Inc. takes pride in providing you with high quality and dependable vehicles. In order to maintain these standards, Kia is extending the New Vehicle Limited Warranty coverage, to all owners of 2011-2013 MY Kia Sorento vehicles, for the halogen headlamp low beam connector wiring harness from 5-years/60,000-miles to 10-years/unlimited-miles, starting from the date of first service. The headlamp connectors may lose electrical contact with a low beam bulb in one of the headlamp assemblies. This condition on the affected headlamp does not affect the other low beam. In addition, the high beams continue to function at all times.
WTY012_DPSM2019-04-30. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Attention: All Kia Parts & Service Managers - Kia Motors America, Inc. is extending the New Vehicle Limited Warranty coverage to all owners of the 2011-2013 MY Kia Sorento vehicles, produced from October 24, 2009 through January 31, 2013, for the halogen headlamp low beam connector wiring harness from 5-years/60,000-miles to 10-years/unlimited-miles, starting from the date of first service. The headlamp connectors may lose electrical contact with a low beam bulb in one of the headlamp assemblies. This condition on the affected headlamp does not affect the other low beam. In addition, the high beams continue to function at all times.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.