2012 Hyundai Sonata Hybrid Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 153 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Hyundai Sonata Hybrid overview page.
What owners report
“YESTERDAY THE CAR DROVE FINE UNTILL ABOUT AN HOUR BEFORE I WENT HOME. THEN IT STARTED WITH THE BUMPING/JERKING WHEN SWITCHING FROM ELECTRIC TO GAS…”NHTSA complaint 11171828 — filed 01/24/2019
“THE CAR BEGAN LURCHING FORWARD INTERMITTENTLY AT HIGHWAY SPEEDS (65+ MPH) WHEN TRAVELLING IN A STRAIGHT LINE ON A FLAT HIGHWAY ON DAY 1, AFTER…”NHTSA complaint 11165369 — filed 01/05/2019
“WHILE TRYING TO ACCELERATE AT FREEWAY SPEEDS (50-60MPH), THE "ECO GUAGE" REVS UP BUT THE CAR WILL NOT ACCELERATE - SLOWS DOWN IN THE MIDDLE…”NHTSA complaint 11161831 — filed 12/16/2018
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2012 Hyundai Sonata Hybrid have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2012 Hyundai Sonata Hybrid: 28 of 153 complaints on file (18.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 Hyundai Sonata Hybrid have in total?
153 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 2 involved a crash, 5 involved a fire, 2 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
