NHTSA Complaint #11583683 — 2021 FORD RANGER

Harsh shifting into D, loss of power when accelerating while cold. Sometimes would start across an intersection then buck, loose power and slow down then SLAM back into gear and chirp the rear tires. Technical Service Bulletin 23-2350 was performed on 11/15/2023 which updated the trans tables and cleared some codes. This helped the issue for about a week but then truck was in again on 1/22/2024 for TSB 23-2350 a second time which replaced the CDF drum. A month later, 800 miles, 2/18/2024 truck shifted HARD while in cruise control on the turnpike in traffic and lost power. DTC P0766 check engine light came on and truck would no longer move. Transmission fluid sprayed under truck. Had to be towed to dealership. Clutch Valve D was replaced. Two months have gone by and the hard shifting into D and occasional complete loss of power still occurring. Waiting for the next check engine light to appear to take it in again. I now drive very conservatively because I don't know if it will stop moving half way across an intersection again.