Confirm Latest Software For Transmission Control Module and Correct Fuild For Proper Shift Quailty on Hyundai Sonata
Problem overview
Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.
165 people reported this problem
73 commentsHyundai Sonata vehicles with this problem
12 model years affected
Average mileage: 80,280 miles
(3,100 - 201,790)
Search for another problem
RepairPal ™Car Genius
Ask our experts about your Hyundai.
RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.
Call us at 877-913-1554
Available 9am – 6pm ET Monday through Friday
