This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.
full bulletin at NHTSA ↗2015 Hyundai Accent powertrain problems
moderate 5 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
When does it fail?
Of the 5 powertrain complaints filed for the 2015 Hyundai Accent, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 5 model years of Hyundai Accent we track for powertrain problems, this one has the fewest owner complaints on file (5).
No new NHTSA powertrain complaint has been filed on this vehicle in over 10 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
If you are servicing an applicable vehicle with the following symptoms and DTC, follow the Service Procedure on Page 4. ï· Check Engine light on ï· DTC P0880/P088000 - TCM Power signal error open/short ï· Transmission stuck in 4th gear fail-safe ï· Harsh shift into Reverse and Drive
full bulletin at NHTSA ↗The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
full bulletin at NHTSA ↗If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness.
full bulletin at NHTSA ↗If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
This is the second time I'm reporting this defect. I bought a brand new car on 11/28/2015 less than a week later while driving the normal speed limit the car began to power down and the engine light and battery light came on. I had to put the car in park then restart the car again this happened several times. The car was towed to the dealer to be serviced. I was told a new transmission was…
Okay, I'm going to try my best at explaining what I am experiencing. This is my SECOND Hyundai Accent. The first car I had was a 2004 Accent. The second car I have now is a 2015. Both cars have the same exact problem. And I am NOT fixing it. This is definitely a MANUFACTURING ERROR. It's so dangerous too, because my engine could just BLOW UP. Anywhoooo, both cars just BURN OIL LIKE GAS. I…
Common questions
How serious is the powertrain problem on the 2015 Hyundai Accent?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 5 complaints filed, powertrain issues most often appear around 59,759 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.