Electrical System Related Problems of the 2012 Hyundai Sonata Hybrid

Table 1 shows eight common electrical system related problems of the 2012 Hyundai Sonata Hybrid. The number one most common problem is related to the electrical system (14 problems). The second most common problem is related to the car will not start (two problems).

Table 1. Electrical System related problems of Hyundai Sonata Hybrid


Recently reported Electrical System problems of the 2012 Hyundai Sonata Hybrid

The Electrical System problem

2012 Hyundai Sonata Hybrid well maintained by original owner, under 130,000 miles. May of 2025 ac stopped working intermittently (Hyundai dealer replaced ac hose). Aug 2025 ac stopped working again (same dealer could not identify problem).   Read details...

The Car Will Not Start problem

Takata recall: I have a 2012 Hyundai sonata 2. 0t se and my car stopped in the middle of the road with no warning and would not start back. Now my eps, oil, mil, battery light ate on and car will not crank. I was driving up troy highway in montgomery al when my car begin to slow down and cut off.   Read details...

The Wiring problem

Electrical smell like melting plastic wiring: first incident as noted above; 2nd incident on 1/29/2013, mileage 9227-on vehicle start up (engine warm as it was after earlier driving) same hot, melting wire type smell coming through climate control dash vents; 3rd incident on 4/12/2013-mileage   Read details...


Electrical System related problems in other Hyundai Sonata Hybrid model year vehicles:



Sonata Hybrid Service Bulletins
Sonata Hybrid Defect Investigations