2025 Hyundai Ioniq 5 electrical system problems
Owners reported electrical system problems in 227 complaints for the 2025 Hyundai Ioniq 5, 47% of the complaints on file. It is the most reported problem area for this model year.
At a glance
- Complaints
- 227 47% of this year's complaints
- Crashes and fires
- 0 and 0
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
What the data shows
None of the electrical system complaints mention a crash, fire, injury or death.
What owners wrote
These cars still have problems keeping the 12v charged. Car was leased on Jan 19. 12v first died on Feb 15, took it to dealer where they trickle charged it. 12v died again on Feb 18, dealer replaced the 12v. The 12v died again on Mar 11 and is still at dealer service center. Case with Hyundai corporate was opened and the dealer is going back and forth with them.
The contact owns a 2025 Hyundai Ioniq 5. The contact stated that after starting the vehicle, the battery warning light remained illuminated, and the vehicle failed to exceed 45 MPH while driving. The messages "Onboard Charger - Stop Vehicle" and "Power Supply" were displayed. The vehicle was later towed to the local dealer who diagnosed that the ICCU Module had failed and needed to be replaced. The vehicle was not yet repaired.
Other problems reported for the 2025 Hyundai Ioniq 5
- Fuel system 66 complaints
- Drivetrain & axles 57 complaints
- Forward collision avoidance 26 complaints
- Lane departure 23 complaints
- Engine 20 complaints
- Cruise control 16 complaints