Hybrid management: power control unit/module (hpcu)
NewRisk. Overheating in the HPCU increases the risk of a fire.
NHTSA has logged 6 owner complaints about the 2024 Hyundai Elantra Hybrid, most often about the electrical system. It is covered by 1 safety recall.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through September 17, 2026. Updated daily. Photo: Charles from Port Chester, New York, CC BY 2.0.
6 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 3 | 1 |
| Engine | 2 | 1 |
| Lane departure | 1 | 0 |
| Structure | 1 | 1 |
| Vehicle speed control | 1 | 0 |
| Visibility/wiper | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. Overheating in the HPCU increases the risk of a fire.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Elantra Hybrid median. How we score
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
The vehicle experienced a catastrophic engine compartment fire while safely parked inside an employment parking garage in [XXX] on XXX, at approximately 3:04 PM. I was physically sitting inside the vehicle cabin when heavy smoke suddenly began pouring out from the engine bay. I immediately…
We lease 5 Hyundai 2024 Elantra Blue hybrids that were bought new a few months back. We have experienced the same issues with 3 of the 5 so far. Cars will STALL at low speeds and sometimes ENGINE LIGHT goes on. Cars will suddenly not accelerate after stopping at a stop sign. Extreme danger for our…
I received two emails from Hyundai Bluelink that "Vehicle battery level is below normal" late night 16 March 2024 shortly before midnight and several hours after I had parked my vehicle for the night. The car is less than two weeks old with less than 300 miles. After each email notice I checked my…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.