2005 Ford F-150. Then the o/d light went to blinking and "transmission malfunction" message came on followed by the safe engine mode. s … Engine light came on and had the codes checked. 2004 f-150 lariat, engine failsafe mode, engine light and abs illuminates at same time and at same distance of - Ford 2005 F-150 question ... Toyota 1993 GLI Automatic Transmission. 2005 F-150 Super Crew 2wd. Set codes 2104, 2106, 2111, 2135. P0121 Causes- F150. I immediately pull over, shut it off then turn it back on and everything goes away. A wide variety of Ford vehicles come with a program, controlled by the vehicle's computer, whose function is to reduce the vehicle to minimal performance standards, in the case of a vehicle component being at risk of failure. Consumer has different vehicle complaint in artemis. I have noticed power loss at highway speeds look down at the gauges and notice that the message center says 'Failsafe mode'. When Accelerating it will shift at different rpms from 1st to 2nd with some shuttering at first and now with lack of power. Average repair cost is $0 at 123,000 miles. lights on. Failsafe mode leaves a vehicle in a state that makes it almost impossible to drive and enjoy. Then the O/D OFF light starts flashing (assuming this is the Fail Safe Mode… The dealer investigated the complaint, but was unable to identify the cause. All were related to the speed sensor. My family and I had just left our house in Houston when just a block down the road, I get a message saying: "Transmission Malfunction, Engine Failsafe Mode". The engine either quits or goes to a rough idle. The vehicle’s ECM will control the amount of fuel entering the engine in order to control engine speed. Consumer writes in regards to engine fail safe mode malfunctions causes vehicle to lose all power, brakes and steering. My 2006 F-150 Lariat went into Engine Failsafe Mode this morning when I was driving back home from dropping my daughter off. 2004-ford-f-150-lariat-5-4l-3v failsafe mode truck stays stored only 8,900 original miles yes 8,900. Transmission just started acting up. I did the reset on the PCM 30 min neg bat term disc. My 2007 Ford F-150 5.4L Lariat 2WD w/140K miles on it is having some major trouble. In the Ford F150… To clear the message and restore engine performance I have to pull over put the transmission in park, shut off the engine, wait a minute or two and restart. This program's informal name is a "limp mode." Less than thirty days later the check engine light came on again, this time the dealer service department told me the #1 coil and a spark plug needed to be changed and it would cost me 843.00 to repair just one each, but I could get 2 coils and 5 spark plugs replaced for 973.00. I first noticed the truck would loose speed going up a hill-thought I had water in my gas. I didn't notice any chage in the way it drove, it still accelerated and handled just fine..just had the message pop off. This happens even on an easy accelerate. The F150 may idle differently. ENGINE FAILSAFE MODE means the throttle is stuck open or is broken resulting in over 1300.00 in repairs. The 2004 Ford F-150 has 3 problems reported for engine fail safe mode.