Service bulletin 21-BE-008G

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	10253052
Published by NHTSA	2024-04-11
Manufacturer's number	21-BE-008G
Manufacturer's date	2021-05-05
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

Certain vehicles may experience 504 Time Out errors when using the Genesis Connected Services Mobile App. When asked to provide Modem Information (IMEI/USIM), the Head Unit (HU) displays all zeros. This bulletin describes the procedure to update the Head Unit Software to correct this condition.

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

Electrical system

Vehicles listed
GENESIS G70	2019, 2020, 2021, 2022, 2023, 2024

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

Recalls for the same vehicles and component
2024089	2024-02-13. Electrical
24V107000	2024-02-13. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID

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
26-01-083G TSB	2026-10-15. Warranty extension. Certain G70 (IK) vehicles equipped with an AVN5W head unit may exhibit the map, navigation, and voice recognition systems not loading after an Over the Air (OTA) software update due to an error in the software update logic. This bulletin provides instructions to use a provided USB stick to perform a manual software update to correct this condition.
26-GI-002G TSB	2026-06-06. Service bulletin. This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB.
26-EE-003G TSB	2026-04-21. Service bulletin. Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solenoid) assembly.
Z02G OL	2026-04-10. Warranty extension. Certain 2019 – 2022 model year Genesis G70 vehicles may experience an inoperative blower motor (not blowing) that may be caused by damage or deterioration of the blower motor multi-fuse and fuse box. At Genesis, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Genesis is extending the warranty coverage for the front wiring assembly under this condition to 10 years/ 120,000 miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
25-BE-020G TSB	2025-10-03. Service bulletin. This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.
25-BE-002G TSB	2025-06-03. Service bulletin. This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2024 2nd Navigation Map and Software Update Improvements section in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater and updated by USB. The NAU website is https://update.genesis.com/US/EN/navigationUpdate. For certain models equipped with a relevant Genesis Connected Services (GCS) package, the software may be downloaded and applied via OTA update.
25-01-024G-1 TSB	2025-05-27. Service campaign. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
25-GI-009G	2025-05-02. Service bulletin. Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
25-01-024G EM	2025-04-18. Service campaign. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Genesis Connected Service functions. This may be due to an irregular disconnection on Verizon's communication network.
25-01-024G TSB	2025-03-25. Service campaign. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.