2012 Hyundai Santa FE Problems

What owners report

Owners of this model year most often describe engine trouble: a sudden knock or rattle followed by a stall, loss of power, or no restart, with mechanics frequently reporting bearing damage or a seized engine. Reports cluster in the 60,000-150,000 mile range and often occur at highway speed without much warning, and many say their vehicle was not covered by the engine bearing recall. Smaller groups of complaints cover anti-lock and stability warning lamps, unintended acceleration at low speed, and electrical draw problems.

1. 1
   Engine

   Engine knock, stalling and seized engine (bearing wear)

   • 178 complaints (50%)
   • median 96,000 mi at 6.8 yrs old (148 state mileage)
   • 9 mention a crash, fire or injury
   • owner-quoted repair $5,000 (median of 19 quotes)
   • filed 2012–2026

   A loud knocking, rattling or banging from the engine compartment, sometimes with a puff of smoke, followed by loss of power, a stall, or an engine that will not restart. Several owners say mechanics found metal shavings in the oil or diagnosed a failed connecting rod bearing or a seized engine, and some were told the engine needed replacement. Some complaints note the work was not covered or that their vehicle identification number was not included in the engine bearing recall and dealers offered no help. Mostly reported between roughly 60,000 and 150,000 miles, often during highway driving or acceleration.

   Recall 20V74600014 related service bulletins

   What to check: Ask whether the engine bearing campaign or recall inspection was performed and whether the knock sensor software update is installed. Have an independent mechanic listen for a knock and check the oil for metal particles before buying.

   2 excerpts from owner complaints in NHTSA records

   “We were traveling on I-70 west accelerating uphill when we heard a sound from the engine. We stopped to check and then continued our travel when a part came off the engine. We were on the east side of the eisenhower tunnel and had to be towed to our destination in frisco. The engine is blown and will be costly to replace. We have 149,465 miles on the engine. Ths is awd.10”

   NHTSA complaint #11366163, filed 2020-10, 149,470 miles

   “On september 1, 2020, the engine started to slow down and make a crunching cracking noise about a mile later we came to a complete stop, on a main hwy.we had to call aaa to come get us. We had the police stay behind us until the tow truck came. It took 45 minutes due to the heavy traffic and time of day.”

   NHTSA complaint #11353122, filed 2020-09, 148,000 miles
2. 2
   Engine

   Sudden loss of power and stalling with restart

   • 73 complaints (21%)
   • median 38,000 mi at 2.8 yrs old (65 state mileage)
   • 4 mention a crash, fire or injury
   • filed 2012–2024

   Some owners describe the vehicle cutting out at speed or surging and lurching, with dashboard lights flashing and an inability to accelerate, then starting normally after a restart. Others report repeated battery replacements and stalls that could not be reproduced at the dealer, or a check engine light traced to a throttle body or sensor. Reported from roughly 70,000 to 135,000 miles, including highway and low-speed driving.

   What to check: Ask whether the battery and charging system have been tested and whether any throttle body or sensor codes were stored; request a scan tool report rather than only a dash check.

   2 excerpts from owner complaints in NHTSA records

   “The vehicle stops running in the road without warning and is unable be restarted. Attempts to charge the battery fail. When taken to be evaluated by the brand dealership, they only change the battery and say that it has been fixed. Within 3-4 weeks, it will shut down in the road again. This has occurred four times, and each time, I take to be serviced and they are unable to reproduce the failing issue. I have reached out to corporate, and have quickly dismissed my case. …”

   NHTSA complaint #11319833, filed 2020-03, 77,500 miles

   “Very recently, the car has been stalling out with no warning, no odd sounds and no obvious reason as to why. I took the car to a well-known, trusted mechanic who was unable to find the cause, as the vehicle presented 0 fault codes. I was informed that I would have to drop the car off for a couple of days so that they could diagnose what the issue could be, and hopefully catch it happening. After doing so, I was then informed that it showed 0 signs of stalling while in their possession. …”

   NHTSA complaint #11350434, filed 2020-08, 94,000 miles

Buying note. The engine is the main thing to verify on this model year: ask for proof of the bearing inspection and knock sensor update, and have a mechanic check for engine noise and oil contamination before purchase. Also confirm the anti-theft software update was applied and that no warning lamps are active on a test drive.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.