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Service bulletins for the 2016 Hyundai Sonata

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.

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

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Bulletins, newest first
19-01-005H-12019-11-18. Service bulletin. ENGINE; EQUIPMENT. The warranty coverage for the engine long block 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.
19-01-006H-42019-11-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:WIRING. 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 install a wire harness extension and/or replacement engine based on the inspection results.
19-01-002H-42019-11-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Hyundai is conducting a product improvement campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, a chime will sound on certain vehicles, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800-2000 RPM.
Campaign 953 Dea2019-11-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; ENGINE; EQUIPMENT. Hyundai has developed a new engine monitoring technology called a Knock Sensor Detection System (KSDS). The technology uses software innovations and leverages existing engine sensors to continuously monitor for symptoms that may precede an engine failure.
Campaign T3G Dea2019-11-18. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. 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 P132600.
19-BE-015H-12019-11-18. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This bulletin contains information regarding the clock display on certain Navigation (AVN 4.0) head units. This procedure is specifically for the clock date and time not displaying which started appearing around August 17, 2019. Other similar concerns which were opened before this date are a different root cause and will not be resolved by this information. An example of the clock concern is shown in the screenshot below:
19-BD-007H2019-11-18. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. The warranty coverage for the panoramic sunroof moving glass 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.
19-01-005H-12019-11-06. Service bulletin. ENGINE AND ENGINE COOLING. The warranty coverage for the engine long block 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.
19-01-006H-42019-11-06. Service bulletin. ENGINE AND 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 install a wire harness extension and/or replacement engine based on the inspection results.
19-01-002H-42019-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Hyundai is conducting a product improvement campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bearing noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously, a chime will sound on certain vehicles, and the vehicle will be placed in Engine Protection Mode allowing the customer to drive to the nearest Hyundai dealer for diagnosis and repair. In addition, DTC P132600 will be recorded in the ECM. The vehicle can continue to be operated for a limited time in Engine Protection Mode, but it will accelerate slower and have a reduced maximum speed. Engine RPMs will be limited to approximately 1800-2000 RPM.
Campaign 953 Dea2019-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Hyundai has developed a new engine monitoring technology called a Knock Sensor Detection System (KSDS). The technology uses software innovations and leverages existing engine sensors to continuously monitor for symptoms that may precede an engine failure.
Campaign T3G Dea2019-11-06. Service bulletin. ENGINE AND ENGINE 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 P132600.
19-BE-015H-12019-11-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains information regarding the clock display on certain Navigation (AVN 4.0) head units. This procedure is specifically for the clock date and time not displaying which started appearing around August 17, 2019. Other similar concerns which were opened before this date are a different root cause and will not be resolved by this information. An example of the clock concern is shown in the screenshot below:
19-GI-006H2019-11-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides instruction detailing the proper methodology for scanning and uploading captured GDS data files to the Techline Repository. Compliance with this bulletin ensures that the GDS data files are correctly transferred and matched with a Techline Case number.
19-BD-007H2019-11-06. Service bulletin. STRUCTURE. The warranty coverage for the panoramic sunroof moving glass 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.
19-AT-015H2019-09-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness
19-EE-001H-12019-08-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on how to return a Hyundai HEV/PHEV/EV/Fuel Cell Lithium Battery for proper disposal and safe environmental recycling using Hyundai?s authorized vendor Kinsbursky Brothers Intl. (KBI).
19-AT-012H2019-07-29. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
19-BE-010H2019-07-01. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information related to clearing all Diagnostic codes for vehicles equipped with the Blue Link system (Gen 1).
19-BE-009H2019-07-01. Service bulletin. LANE DEPARTURE; FORWARD COLLISION AVOIDANCE. This bulletin provides information for troubleshooting of the Blind-Spot Collision Warning (BCW/BSD) system whenever it exhibits Diagnostic Trouble Code (DTC) C120B/D or C160A.
19-EE-003H2019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The following summarizes the service procedures for Lithium Battery replacement:
19-01-006H-22019-05-20. Service bulletin. EQUIPMENT; ENGINE. 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 install a wire harness extension or replacement engine based on the inspection results.
19-ST-001H2019-05-20. Service bulletin. STEERING. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
Dealer Best Prac2019-05-20. Service bulletin. ENGINE; EQUIPMENT. Hyundai has refined the engine inspection for vehicles that experienced the Check Engine light with DTC P132600 to eliminate the interference caused by the wiring harness. As a result, we need the vehicles currently waiting for an engine replacement to be re-tested with the new software update using the GDS-mobile.
DTC P1326 from 92019-05-20. Service bulletin. ENGINE. Hyundai has launched a Service Campaign for applicable vehicles with 2.0L Turbo and 2.4L engines that may experience the Check Engine warning lamp illuminated with DTC P1326.

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