WenmarOpen by Wenmar Pro

Service bulletin 20-AT-014H

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 id10174799
Published by NHTSA2020-05-07
Manufacturer's number20-AT-014H
Manufacturer's date2020-04-09
NHTSA componentPOWER TRAIN; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

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.

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, Transmission and driveline

Vehicles listed
HYUNDAI ACCENT2012, 2013, 2014, 2015, 2016, 2017
HYUNDAI AZERA2011, 2012, 2013, 2014, 2015, 2016, 2017
HYUNDAI ELANTRA2011, 2012, 2013, 2014, 2015, 2016
HYUNDAI ELANTRA GT2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI ELANTRA GT2017
HYUNDAI SANTA FE2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
HYUNDAI SANTA FE SPORT2013, 2014, 2015, 2016, 2017, 2018
HYUNDAI SONATA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
HYUNDAI SONATA HYBRID2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI SONATA PLUG-IN HYBRID2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
HYUNDAI TUCSON2010, 2011, 2012, 2013, 2014, 2015, 2016
HYUNDAI VELOSTER2013, 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
20221182022-03-15. Accessories
20V3930002020-07-02. EQUIPMENT:ELECTRICAL
20181352018-03-16. Powertrain
20164362016-09-08. Powertrain
16V6280002016-08-30. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20161252016-03-21. Accessories
20160602016-02-08. Powertrain
16V0570002016-01-28. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
14V7840002014-12-09. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
20143232014-08-01. Powertrain

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
TXXZ OL2025-03-01. Warranty extension. Certain 2014 – 2015 model year Tucson vehicles may have a weakened weld at the zone where the center muffler is attached to the exhaust pipe. This condition may cause the center muffler to detach from the exhaust pipe. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Hyundai is extending the warranty coverage for the center muffler assembly under this condition to 15 years / 150,000 miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
24-AT-002H2024-04-16. Service bulletin. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.
24-01-009H2024-03-05. Service bulletin. This bulletin provides the service procedure to: 1) Upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation and ignition start logic and 2) Install two anti-theft decals for the front windows. Additional decals may also be installed in the rear windows at customer’s discretion.
24-01-009H2024-03-05. Service bulletin. 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), and anti-theft ignition cylinder protector campaign (Campaign 9A5) 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 upgraded with the software (Campaign 993), Hyundai is offering customers an anti-theft ignition cylinder protector to be installed on their vehicle. This Dealer Best Practices Guide provides information to assist dealership personnel with customer questions relating to the immobilizer software upgrade, window decals and steering wheel lock anti-theft solutions available from HMA through Hyundai dealers.
23-01-054H2023-10-02. Service bulletin. Certain 2013-2015MY Sonata Hybrid (YF HEV) vehicles may exhibit warning lights on while driving and the inability to restart the ignition after it has been turned off when stopped. TSB 23-01-054H outlines the service process to inspect the fuse and safety plug assembly, and replace the parts as needed. This best practice provides helpful tips and key notes when carrying out this service campaign.
23-01-054H2023-10-02. Service bulletin. Certain Sonata Hybrid (YF HEV) vehicles may exhibit warning lights on while driving and the inability to restart the ignition after it has been turned off when stopped. This bulletin provides the procedure to inspect the safety plug and fuse and replace parts as necessary.
23-AT-003H-12023-09-06. Service bulletin. If you are servicing an 8-speed vehicle with a “Check Engine” light on and one or more of the DTC listed, follow the service procedure and replace the related solenoid and harness.
23-01-014H-52023-09-06. Service bulletin. 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 customers steering wheel locks at the dealer (Campaign P32). This Dealer Best Practices Guide provides information to assist dealership personnel with customer questions relating to the immobilizer software upgrade, window decals and steering wheel lock ant-theft solutions available from HMA through Hyundai dealers.
23-BE-007H2023-08-02. Service bulletin. This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundai’s Navigation Updates page. The current version of Google Maps has 10 times the data transmission compared to the previous version. As a countermeasure, an update with a frame skip logic has been added to resolve the data congestion with Google Maps.
23-01-014H-52023-08-02. Service bulletin. 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 customers steering wheel locks at the dealer (Campaign P32).