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Cruise Control Issues


The Converted

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  • Donating Members
  • Member For: 13y 3m 13d
  • Gender: Male

Lol.... I adjusted it while the vacuum line was off hahahahaha once I put the vacuum line on it dropped to 50psi so I was smashing it around for a week with 50psi instead of 60!!!!! No harm done lol

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  • 1 year later...
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  • Member For: 11y 1m 15d

Hi All.....

Any help muchappreciated. I am having intermittent cruise control issue. Have searched and read a number of posts, taken it to Ford, and want to pick your brains....any suggestions much appreciated.

Description:

  • Near new FG11 turbo
  • If I turn on cruise and engage the cruise within a minute or so of driving - it acts normally and sets.
  • If however - I happen to jump in, and drive for a little while before engaging and setting cruise, it wont work
  • It powers up the cruise, but it wont set
  • Pull over, turn car off and re start, and works fine again
  • Yesterday at ford - service guy daid he was stumped - it threw up error code B10AC-1PL
  • Internet indicates that B10AC, Circuit of cruise control switch faulty

Questions:

  • Anyone had similar issues? any wisdom to share?
  • Most common discussion on forum is the brake pedal switch. Would a faulty switch really do this intermittent fault?
    • I assumed faulty switch would just go 'hard/permanent' fault? ie - not reset when I turn car off then on?
  • Dont believe its hand brake sensor as someone else mentions - as I get no handbrake chime / light come on
  • Someone mentioned ICC firmware update - may have caused a cruise issue? What is the link between ICC firmware and cruise?
  • Someone mentioned OBD port / stuff may caue cruise issue? What is an OBD port, and why would it potentially case cruise grief?
  • Mention of phone bluetooth potentially impacting?

It seems to have me sumped....certainly the dicks at ford are stumped.....they asked me to leave the car for two days next time so they can get to the bottom of it.

I dont want em ripping the car apart guessing - so if anyone has ideas....such as....

  • start with brake switch
  • then try ICC firmware update
  • then try cruise module
  • etc etc.....

they really seem to have no freaking idea!

Ta,

Steve

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  • To Loud
  • Gold Donating Members
  • Member For: 12y 11m 24d
  • Gender: Male
  • Location: WA, Perth

Stevebag, there is some sort of safety thing built into the FGs. If you drive off without hitting the brake pedal once, the cruise control will not engage. It keeps flashing on the dash and will not stay lit up.

That being said they did also replace the cruise control switch near the brake pedal as it was faulty. I am not sure what code came up as they did not tell me.

Edited by masda74
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  • Member
  • Member For: 11y 1m 15d

Masada 74 -!Yeah I was aware that the cruise needs to see a brake signal.....I'm in the city, so no issue from that point. On the brake straight awY!

Thanks for the link f wolf.....all seem to focus on brake switch.....

If anyone else has further suggestions - keep em coming.

Will let you know what ford says when I get it in.

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  • WOT?
  • Moderating Team
  • Member For: 11y 8m 29d
  • Gender: Male
  • Location: Frankston, 3199

I did have a car a while ago where something in the trailer light loom was causing the car to not let the cruise control activate at all, or cause it to turn off.

Loose wire or something that made the cruise control think I'd hit the brakes or chose reverse - randomly and was a *beep* to hunt down

Is a pretty long shot, but you did ask for other suggestions

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