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.
Poor Shift Quailty of Automatic Transmission on Hyundai XG300
Average mileage: 85,400 (75,800–95,000)
1 model year affected: 2001
3 people reported this problem
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2001 Hyundai XG300 75,800 mi, Visitor
I have two error codes relating to the input and output speed sensors. One drops to third gear and the other doesn't allow shifting past third gear. It as if it goes in safe mode. Scary business when you on the highway and it pops down.you feel like you left the transmission behind. One guy on here said he knows it was a recall topic. Where would you find this? How long do you have to address a recall? Can you claim the recall If your the third owner.