Equipment Related Problems of the 2012 Hyundai Sonata Hybrid

Table 1 shows three common equipment related problems of the 2012 Hyundai Sonata Hybrid. The number one most common problem is related to the equipment (eleven problems). The second most common problem is related to the owners/service manual (two problems).

Table 1. Equipment related problems of Hyundai Sonata Hybrid


Recently reported Equipment problems of the 2012 Hyundai Sonata Hybrid

The Equipment 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 Owners/service Manual problem

While driving the car will randomly rev very high it started about 3 weeka ago while driving at around an average of 45mph in city. It was initially just revving 3-4 times until I hit the break and it was isolated to one incident per drive.   Read details...

The Adaptive Equipment problem

This problem has been getting progressively worse during the last 6 months. While driving or stopped at a light, the vehicle has sudden unexplained acceleration. The acceleration happens with or without the foot on the gas.   Read details...


Equipment related problems in other Hyundai Sonata Hybrid model year vehicles:



Sonata Hybrid Service Bulletins
Sonata Hybrid Defect Investigations