Technical Service Bulletin 25-01-075H TSB — 2024 HYUNDAI SONATA
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | 25-01-075H TSB |
| Manufacturer | |
| Vehicle | 2024 HYUNDAI SONATA |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
Certain Sonata (DN8) vehicles may experience battery drain due to the air conditioning controller not shutting down completely while the vehicle is parked and turned off. This bulletin provides instructions to perform a software update for the ATCU (Air Temperature Control Unit).
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.