Automatic Transmission Control Module problems of the 2004 Lincoln LS

The contact owns a 2004 Lincoln Ls. When the brakes were applied, the vehicle lunged forward. The vehicle was taken to an authorized dealer who reprogrammed the pcm control module. The failure continued to occur intermittently and the contact stated that it would also recur while decreasing speed. The vehicle was taken to an authorized dealer on numerous occasions where the pcm control module was reprogrammed approximately four times. The failure continued to recur intermittently. The contact also stated that the engine coils needed to be replaced every three to six months. The vehicle was taken to an independent mechanic who confirmed that the sealant on the hood caused water to leak into the engine coils. The failure mileage was 30,000 and the current mileage was 122,975.

While shifting gears the vehicle jerked and vibrated uncontrollably. The driver was able to maintain control of the vehicle and pulled over. The vehicle was taken to the dealer for inspection. However, mechanic could not duplicate the problem at this time. Blemish in rear leater seats. Engine stalls out and occasions surges/hesitates. Very hard 1-2 shift and transmission hunts 4-5 shift. No problem found. Transmission was upgraded for 2004 Ls to syncro type, which accounts for a crisp 1-2 shift. Under load going up hills vehicle will buck/loses power on acceleration. Powertrain control module (pcm) upgraded. Right side visor inoperative and replaced. Left front sill panel popped off. Sill panel reattached. Cigarette lighter inoperative and replaced. When steping on gas vehicle hesitates then takes off. No problem found. Traction control and abs lamps were on. Left front abs sensor replaced.