You can drive my vehicle around town all day with no problems but out on the Highway and after 2 hrs goes into what I call limp mode no throttle response and on the screen flashes reduced park brake function no crash avoidance no cruse control no downhill decent and a heap of others. Let your foot of the throttle and you can go again but no power and no functions.Pull up for1/2 hour and it resets it self but not for long.
Can anyone help

 

What’s your vehicle? An F150, dirt bike, lawnmower?

 

It would help a lot to tell us what you're driving.

 

Your excused this time but put the year and engine in your postings.
I see you have a 3L Diesel.
You need to get the DTC code when the issue happens so it can be used to see what Module is in trouble. The code is usually not an engine code but a body code.
The reason you see so much data is that fault uses other supporting modules at different times so they cannot be used when the fault is present.
This disables the Throttle for safety reasons by intent until the repair is made since those modules may be disabled for other functions, as well.
I would call it a good case for 'limping'.
Good luck.

 

Welcome.
Putting some basic truck info in your sig, helps members help you..
.

 

New to this doesn’t my profile show this 2020 F 150 Lariat 3 lt diesel

 

Okay

 

Sorry, no, it doesn’t. Did you add it to your signature and save it?