All the electronics that is going into vehicles is hard to deal with
troubleshooting even with factory equipment. We need to more thoroughly train
mechanics in these areas, & fast!
A friend of mine has a (I think) out of warranty 2017 F150 that works in fine
except the radiator fan would always run @ full speed. The dealer couldnâ??t
figure out what the problem was after 3 days so she bought a new truck so she
wouldnâ??t have to listen to it. She was told that there were 27 computers in
the truck & if any of them was bad it could cause odd problems not related to
what that computer controlled.
Glad you could troubleshoot the problem rather than shotgunning it as a lot of
technicians would do.
Peace,
Pat
Pat Horne
We support Habitat for Humanity
On May 3, 2021, at 2:49 PM, David Scheidt <dmscheidt@gmail.com> wrote:
I was working on a Ford e450 with a giant parasitic draw. (6+ amps , key
off). Tracked the problem down to the pcm not shutting down, because the
instrument panel computer didnâ??t tell it was in park. (Why does the pcm trust
the transmission for everything but park?) the failed part, a switch connected
to the shift interlocking, is $20, but not available until â??June or July â??.
Turns out the switch actually works, but some knuckle head plugged it in wrong
and bent the pins. I took the connector apart, straightened the pins enough to
plug it in and then reassembled the connector. Everything works, but it feels
hackish. (Less hackish than the backup
Plan to solder it together, I guess?).
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