Replaced the TPS on 4.0 inline 6 cylinder. Disconnected the battery while swapping it out. Drove the Jeep 20 miles, all speeds. When I gave it the gas to get up to 65 mph, it started bucking and wouldn't upshift (automatic). Check engine light came on. Code P0121 which indicates TPS isn't jiving with MAP sensor. Took it back up to 65 mph again and this time no issues. Is this normal following replacement of TPS as the main computer "learns"? Do I just reset the check engine light? If so, how do you do it? Appreciate any comments.