Ford Tech at the dealership is dumb founded - Auto Start/Stop issue

[canyonslicker]

I have a hunch that the Switch and FCIM are not the root problem (original issue)
The switch was replaced and created another issue.
My thoughts point towards the Trailer Brake Controller or Inline connector going to the Rear Taillights affecting both the ASS and Turn Signal Circuits
or
Since they have had the FCIM off, then possibly missed reconnecting the Hazzard Switch connector.

What the heck do you know!!! ? J/K ?

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[Cabose-1]

Its probably a short in the dome light causing interference with other canbus lines causing the whole ford needs a module for everything, go wack. Good luck.

But looks like most members have The solution and things to look out for. Good luck, hope the tecjs can find the problem. Isee module replacement in the near future

 

[airline tech]

Got a call from the dealership, the tech flushed/reprogrammed the BCM but no results. The truck still has no turn signals!

Just curious what the dealer found for the Turn Signal Issue.

 

[shovonmshahriar]

Just curious what the dealer found for the Turn Signal Issue.

They re-“re-programmed” the BCM and apparently that fixed it

 

[airline tech]

Good,
Hmm I wonder IF making changes to the BCM (Hyperflash) and the Reflash of the FCIM did not jive together.
So, it may have been that, and it is possible. (FYI) that they put the BCM back to stock settings.
A quick check would be is Bambi Mode still set.

Note: Although popular, those changes are not Ford Approved, and they probably did not even look at those Hex-Lines.
I have Bambi Mode as well and like that feature enabled, dark roads and deer between home and airport.

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