In 2021 lost ALL power of truck decending a steep hill,.needless to say,I’m lucky to still be here.The mechanic diagnosed it,A FAILED CHIP !!it shouldn’t have happened…
Aren’t you familiar with the old cliché: “chip happens”?
You have been redirected to a forum called Car Talk, so your post is incomplete to us.. lol
Welcome…
Sorry you had the issue, but with a vacuum boosted system, you still have normal use of your hydraulic brakes for 3 applies before they get the hard to depress pedal, but even then they will still stop the vehicle…