Check a VIN

April 12, 2025 Service bulletin

Certain 2025MY IONIQ 5 (NEA EV) vehicles may experience a charging issue where a voltage difference...

Hyundai technical service bulletin 25-EV-002H TSB for 2025 Hyundai Ioniq 5.

Bulletin number
25-EV-002H TSB
Component
Fuel/propulsion system
Summary
Certain 2025MY IONIQ 5 (NEA EV) vehicles may experience a charging issue where a voltage difference between battery cells prevents the High Voltage Battery from fully charging. The two DTCs associated with this issue are: • P1AA700 – Hybrid/EV Battery Abnormal Performance: Cell Voltage Deviation • P1AD300 – Hybrid/EV Battery Abnormal Performance: MISD. If either of the DTCs listed above are identified in "Active" status, follow the procedure outlined in this TSB to replace the Battery System Assembly (BSA).

Owners of these vehicles have filed 66 complaints in the fuel system category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Hyundai Ioniq 5?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history