Summers22

iTrader: (2)

I have never had to push the brake to start a keyed ignition Ford, only thing required of the brake pedal, it to be able to put it in gear. Some of you are confusing keyless/push button start with keyed ignition start.

Acl2396

I have the same issue with my truck.
took my truck to the dealer yesterday. However they found the problem to purge valve or fuel valve.
However I test my truck all day today and shut down on me again when I make stops...

any other suggestions on what can it be!!!

woodall01

Check to make sure that the brake switch connector did not come loose, it happened to me when I had the throttle enhancer installed on my truck. The installed bumped (or possible disconnected the cable to move it) and the connection was loose. The truck would not start and was telling me "Full Accessory Power Active". The brake pedal has to be depressed and the switch as to make contact, if one or two fail then you are dead in the water!

woodall01

Yes, the push button requires the brake to be depressed to start, This is with all push button vehicle that I have driven, I believe it's a law but I am not 100% sure.

ronemca

Okay - the issue in post #22 is probably unrelated. Sorry, but that particular post should be discounted in this particular thread.

All PTS vehicles must be in PARK to start...and the brake (or the clutch in a MT) must be firmly depressed. Each of those pedals are equipped with a contact switch that has a spring inside it. On our PTS trucks the brake pedal has a blue switch - about 1" in diameter and about 2" long. It has a twist-lock engagement feature very similar to a taillight pigtail socket. But - unlike a taillight socket - when it is first installed on the assembly line it must be pressed firmly toward the engine and twisted to lock. At some point during the vehicles' journey through the plant, somebody presses that pedal for the first time...and "sets" the switch. If the switch is removed for whatever reason, it must be replaced. (Removed - not disconnected - the latter does not require a new switch)

For those guys having issues, try this:

Disconnect the battery for a few minutes, then re-connect. With the key fob inside the vehicle, firmly depress the brake pedal and - while firmly depressing the pedal - hit the PTS button.

AntonSVK

This case is solved, the pedal was not pushed when the vehicle was started. This is a very general report that can be incomprehensible. This message is repeated whenever I do not press the brake. Then just press the brake pedal and press the start button again and the engine works. Thanks all.

KingDeleted

im real happy for ya. Are you the OP landlord or something? Trying to figure out how you know it’s solved if the OP hasn’t replied.

AntonSVK

Well thank you. What does OP mean? The solution is because I made a mistake and did not use the brake pedal.

mwelch

I keep having the same issue (brand new 2019 F250 Lariat Power Stroke 6.7L Diesel with PTS), sometimes when I try to start it I get no ignition and “Full Accessory Power Active” message, sometimes multiple times before it actually fires up, today is the first time it ever completely failed to start after about 15-20 attempts in a row. It finally started after I tried it hooked up to an Expedition with jumper cables, and drove directly to our local Ford Service department. They said it cranked fine there and would have to occur while hooked up to their computer which thankfully it finally did a few hours later, however, it “didn’t throw any codes”, so they’re digging deeper into it, but it at least FINALLY happened connected to a computer at a Ford Service Department. As soon as I hear something from them I’ll update everyone.

AntonSVK

interesting. I came to solve my mistake. When starting I did not apply the foot brake.