2016 Hyundai Sonata Technical Service Bulletins

231 technical service bulletins (TSBs) are on record for the 2016 Hyundai Sonata. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10241874Aug 17, 2023Electrical system, Transmission and drivetrain. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai vehicles not equipped with engine immobilizers targeted through social media. For certain vehicles that cannot be updated with the software (Campaign 993), Hyundai is offering…
• 10241849Aug 17, 2023Electrical system. Some models from service campaign 993 (IBU/BCM Software Update and Decals Application) equipped with the Hyundai OEM remote start system may exhibit the horn honking when remote starting the vehicle after receiving the software update. This bulletin provides the procedure to update the remote start module to eliminate the horn honking during remote start operation.
• 10240081Jul 10, 2023Electrical system, Equipment. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai vehicles not equipped with engine immobilizers targeted through social media. For certain vehicles that cannot be updated with the software (Campaign 993), Hyundai is offering…
• 10240080Jul 10, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10238402Jun 29, 2023Engine cooling. Certain 2015-2019MY Sonata (LFA) vehicles may intermittently exhibit reduced engine power, a “Crank/No Start” condition, and/or have DTC P1233 stored in the ECM due to an internally leaking fuel pump filter housing. For vehicles exhibiting one or more of these conditions, Hyundai is extending warranty coverage for fuel pump filter assembly repair or replacement to 15 years / 150,000 miles from the date of…
• 10238401Jun 29, 2023Engine cooling. Certain 2015-2019MY Sonata (LFA) vehicles may intermittently exhibit reduced engine power, a “Crank/No Start” condition, and/or have DTC P1233 stored in the ECM due to an internally leaking fuel pump filter housing. Hyundai is extending warranty coverage for fuel pump filter assembly repair or replacement to 15 years / 150,000 miles from the date of original retail delivery or date of first use (whichever…
• 10238353Jun 8, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10237189May 12, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10235566Apr 24, 2023Body and structure. Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
• 10235556Apr 13, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10235555Apr 13, 2023Electrical system. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.
• 10235524Apr 10, 2023Steering. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata Hybrid/Plug-in (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the TSB 23-ST-003H (or latest version) for warranty, service parts…
• 10235349Apr 10, 2023Steering. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata HEV/PHEV (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the warranty, service parts information, and diagnostic information outlined…
• 10235341Apr 6, 2023Visibility (wipers, defrost, mirrors), Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10233549Mar 21, 2023Electrical system. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.
• 10233547Mar 21, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10233483Mar 6, 2023Engine cooling. Certain 2015-19MY Sonata (LFA) vehicles equipped with 2.0L Turbo GDI engines need the Electronic Control Module (ECM) software updated to revise the fuel injection control logic to compensate for oxygen sensor aging and control tailpipe emissions within applicable standards.
• 10233481Mar 6, 2023Engine cooling. This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the fuel injection control logic to compensate for O2 sensor aging and control tailpipe emissions within applicable standards.
• 10232194Feb 20, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows.
• 10232190Feb 13, 2023Electrical system. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. Please note that all Hyundai vehicles meet or exceed Federal Motor Vehicle Safety Standards. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.
• 10232184Feb 13, 2023Electrical system. Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Module), to revise the OEM Hyundai burglar alarm system operation and ignition start logic, and installation of two anti-theft decals for the front windows
• 10230904Jan 30, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or…
• 10217251Jul 28, 2022Engine cooling. Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
• 10217258Jul 14, 2022Tires. Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. This limit is the lesser of 1.5% of GVWR or 100 pounds. If the total added weight exceeds the lesser of the limit, a label must be added to the driver-side B-pillar within 25mm (1…
• 10213721May 19, 2022Equipment, Transmission and drivetrain. Certain vehicles (listed below) equipped with 7-speed Double Clutch Transmissions (DCT) may exhibit abnormal vibration at low speeds. This bulletin outlines the procedures for diagnosing clutch judder, updating the Transmission Control Unit (TCU) with revised logic, and/or replacing the Double Clutch.
• 10211674Apr 15, 2022Engine cooling. The warranty coverage for engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Warranty coverage is valid for original and subsequent owners.
• 10211673Apr 15, 2022Engine cooling. The warranty coverage for engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to a Limited Lifetime Warranty and is valid for original and subsequent owners.
• 10211669Apr 15, 2022Engine cooling. Applicable vehicles with 2.0L T-GDI and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit Abnormal Noise or No Crank/No Start condition. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.
• 10211665Apr 15, 2022Engine cooling. Certain vehicles with 2.0L T-GDI and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise or no crank/no start condition related to connecting rod bearing wear or damage. This Dealer Best Practice outlines the service procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results…
• 10207813Jan 31, 2022Engine cooling, Equipment. This bulletin provides additional service diagnostic information and repair procedures related to Electric Waste Gate Actuator (EWGA) equipped vehicles listed below. Refer to the applicable Engine Control / Fuel System sections in the Shop Manual, and then follow the procedures outlined in this bulletin whenever a vehicle with the following symptom(s) are being diagnosed: ➢ Check Engine Light illumination with…
• 10207811Jan 21, 2022Engine cooling, Equipment. The warranty coverage for engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to a Limited Lifetime Warranty and is valid for original and subsequent owners.
• 10207801Jan 19, 2022Equipment, Engine cooling. The warranty coverage for certain Theta II engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to a Limited Lifetime Warranty and is valid for original and subsequent owners.
• 10207802Jan 13, 2022Engine cooling, Steering. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata Hybrid/Plug-in (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first.
• 10207815Jan 6, 2022Equipment, Steering. The warranty coverage for certain 2015-2017MY Sonata (LFa) and Sonata HEV/PHEV (LF HEV/PHEV) vehicles exhibiting reduced power steering assist and/or motor driven power steering (MDPS) warning lamp has been extended to 15 years or 150,000 miles from the date of original retail delivery or date of first use, whichever occurs first. Refer to the warranty, service parts information, and diagnostic information outlined…
• 10206367Dec 23, 2021Electrical system. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) may not be available. This TSB# 21-01-080H describes the 3-part software to correct this condition and activate Blue Link Services.
• 10206363Dec 23, 2021Electrical system. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Blue Link Services.
• 10204252Nov 3, 2021Engine cooling. Hyundai has launched a Service Campaign for applicable vehicles with 2.0L Turbo and 2.4L GDI engines that may experience the Check Engine warning lamp illuminated with DTC P1326.
• 10204248Nov 3, 2021Engine cooling. Applicable vehicles with 2.0L T-GDI and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit Abnormal Noise or No Crank/No Start condition. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.
• 10201469Aug 19, 2021Transmission and drivetrain. Certain vehicles (listed below) equipped with 7-speed Double Clutch Transmissions (DCT) may exhibit abnormal vibration at low speeds. This bulletin outlines the procedures for diagnosing clutch judder, updating the Transmission Control Unit (TCU) with revised logic, and/or replacing the Double Clutch.
• 10200077Jul 26, 2021Engine cooling. This bulletin provides additional service diagnostic information and repair procedures related to Electric Waste Gate Actuator (EWGA) equipped vehicles listed below. Refer to the applicable Engine Control / Fuel System sections in the Shop Manual, and then follow the procedures outlined in this bulletin whenever a vehicle with the following symptom(s) are being diagnosed: ➢ Check Engine Light illumination with…
• 10199107Jun 8, 2021Engine cooling. This bulletin provides additional service diagnostic information and repair procedures related to Variable Charge Motion Controllers (VCM) equipped in the applicable vehicles listed below. This bulletin also provides information on the use of the Service Kit for 2.4L equipped engines, which enables replacing the VCM Lever Arm without replacing the complete Intake Manifold Assembly.
• 10190044Mar 30, 2021Equipment, Engine cooling. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
• 10190038Mar 23, 2021Brakes, Equipment. This bulletin provides best practice recommendations when performing brake service procedures.
• 10189989Mar 10, 2021Equipment, Engine cooling. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
• 10186825Jan 28, 2021Steering. The rack-mounted dual pinion Motor Driven Power Steering (MDPS) system components can be replaced separately from the complete assembly. This bulletin provides information on the separate components and the replacement procedure of these components.
• 10186818Jan 12, 2021Engine cooling. The warranty coverage for the engine long block for engine repairs or replacement related to connecting rod bearing damage as described in Campaign T3G (Seized and/or BCT No Pass Result Only) has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners. Please refer to TSB # 20-01-024H-2 (or…
• 10185445Dec 21, 2020Electrical system, Equipment, Engine cooling. Applicable vehicles with 2.0L Turbo and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results. Consult the Hyundai Warranty Policy & Procedures and the below chart to determine New or Reman engine usage.
• 10185438Dec 21, 2020Engine cooling. Applicable vehicles with 2.0L Turbo and 2.4L GDI engines may experience the Check Engine warning lamp illuminated with DTC P1326. Follow the procedure to inspect the vehicle and replace the engine or update the engine ECU software based on the inspection results.
• 10183963Nov 30, 2020Brakes. This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
• 10183960Nov 19, 2020Tires, Wheels. This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.

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