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December 14, 2024 Service campaign

DTC C2A274B due to the rear corner radar missing the outside temperature input from the ADAS sensor

Hyundai technical service bulletin 24-01-093H for 2025 Hyundai Sonata.

Bulletin number
24-01-093H (TCM)
Component
Electrical system
Summary
Certain Sonata (DN8) and Sonata Hybrid (DN8 HEV) vehicles may exhibit DTC C2A274B due to the rear corner radar missing the outside temperature input from the ADAS sensor. Follow the procedures in this bulletin to input the external temperature from the cluster and correct the rear corner radar temperature software using GDS.

Owners of these vehicles have filed 1 complaints in the electrical category.

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