I thought it would be best to start a thread about this issue just in case someone has experienced this it before or does sometime in the future. I have a Stinger GT1 AWD with 3700 miles. The other day, I was driving in Sport on the highway wot and took it up to about 120 mph. I eased off the accelerator for about 2 or 3 seconds and while the RPMs were still high at about 4,500 rpms, I feathered the throttle. Then all of a sudden the the cel came on and the transmission went into limp mode. Since the transmission went into limp mode, I kept the car rolling until I can get over into the emergency lane. I ran the vehicle diagnostics and it said there was an issue with the Engine Control System (not much help). I turned the car off and turned it back on and the transmission did come out of limp mode but the cel remained on. I took it to Autozone to read the code and it came back as P061B. Now I'm at the Kia Service Department and my car has been in for over 4 hours. The guys at the desk says that the techs are discussing with Kia on what to do with the car. I guess it must be a really huge problem since they are in contact with someone higher up. I'll be sure to update the thread with the outcome. Just thought I'd share.