504 Time Out errors when using the Blue Link Mobile App. When asked to provide Modem Information...
Hyundai technical service bulletin 21-BE-008H for 2018-2019 Hyundai Sonata and 2018-2019 Hyundai Santa Fe.
- Bulletin number
- 21-BE-008H
- Component
- Electrical system
- Summary
- Certain vehicles may experience 504 Time Out errors when using the Blue Link 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.
Owners of these vehicles have filed 108 complaints in the electrical category.
Vehicles covered
- Hyundai Sonata 2018-2019 20182019
- Hyundai Santa Fe 2018-2019 20182019
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