Left blinker 2 x normal, no lines on backup camera - Ford Transit USA Forum
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post #1 of 19 (permalink) Old 06-04-2016, 08:59:PM Thread Starter
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Left blinker 2 x normal, no lines on backup camera

OK, it's happened again. Left blinker blinks twice as fast as it should, though all bulbs are working. Colored lines - all of them - have disappeared from the backup camera.

The van had this problem briefly on my second day of ownership, but it cleared up by itself. Not this time, though.

The problem has been reported elsewhere on the forum, and I asked then for a diagnosis, but the poster did not respond.

Obviously it's a warranty job at the dealership, but I'd like to know what the cause is. My guess is one of the Transit's wonder-modules, like the body control model that busted and took out the TPMS and the remote locking capability ....

Anyone know the answer?

Regards,
EJB

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post #2 of 19 (permalink) Old 06-04-2016, 09:19:PM
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Took mine to dealer for this problem but they wouldn't work on it because I had LED tail lights and backup lights in. I put the factory backup bulbs back in and that didn't help at first but left them in and after about a week or two the lines started working again. So I put the LEDs back in and for a week now the lines still work, we will see if they malfunction again. Do you have factory lights??
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post #3 of 19 (permalink) Old 06-04-2016, 09:25:PM Thread Starter
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Yes, I do ....

Regards,
EJB

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post #4 of 19 (permalink) Old 06-05-2016, 02:18:AM
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For what it's worth

I had similar malfunctions on my van shortly after purchasing. The right hand blinker would do the same as yours, the back up sensors would just stop working and sometimes the van would arm the alarm with me sitting in it with the keys not in the ignition.

I'm not an electrical guy, but I do know that every single electrical signal is routed or read by the vans computer systems. When something has a glitch, like a bad connection or one of the sensors is acting up, weird things start to happen.

I lost the Nox 12 sensor and that triggered the check engine light. I was still able to drive the van without going into limp mode.

Long story short... after it was replaced all of those strange electrical gremlins disappeared.

I now take those strange faults as a warning that somethings is going to fail sometime in the near future. I might get lucky and my scanner might be able to see what's going on.

For what it's worth...

'15 250 HR XL 3.2l with delivery upfitter pkg and walk thru partion
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post #5 of 19 (permalink) Old 06-05-2016, 12:28:PM
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ejbleen,

Have you tapped into the trailer wiring, either at the plugs or the actual wiring? Doing so will turn off the screen lines (page 146 OM )
If you have, it might have overloaded the OEM flasher for the left turn signal causing it to flash faster, at least that is what would happen in the old days (we would replace with larger flasher back then) don't know with the modern electronics.

Hope you solve it.

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post #6 of 19 (permalink) Old 06-05-2016, 02:34:PM Thread Starter
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Nope, no messing with the trailer wiring ....

It looks as though this isn't a very common issue, and that make me nervous about any effective response when I go to the dealership ....

Regards,
EJB

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post #7 of 19 (permalink) Old 06-05-2016, 03:25:PM
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I would take it in now while its broke. Once its starts working again they definitely wont work on it.
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post #8 of 19 (permalink) Old 06-05-2016, 03:58:PM
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It does sound like an issue with the trailer wiring or control module for trailering. After the first time I hooked up my trailer to test the function of lights and the rest of the system, I also had one turn signal blink faster. It cleared up by itself but I definitely related it to having detected the trailer hookup.

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post #9 of 19 (permalink) Old 06-06-2016, 03:29:PM Thread Starter
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Well, it's too late now. Today - approximately a day after the first symptoms, and without any warning - everything started working again.

I suppose I should look on the bright side. The first time this happened, it took an hour or so to self-heal. This time it took a day or so. Hopefully, next time it's stay busted long enough to get it to the dealer.

I think you guys who suggest the trailer module are on to something. I was scratching my head to figure out the link between the blinkers and the backup camera, but that module would be an obvious candidate ....

Regards,
EJB

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post #10 of 19 (permalink) Old 06-06-2016, 04:36:PM
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Quote:
Originally Posted by ejbleen View Post
Well, it's too late now. Today - approximately a day after the first symptoms, and without any warning - everything started working again.

I suppose I should look on the bright side. The first time this happened, it took an hour or so to self-heal. This time it took a day or so. Hopefully, next time it's stay busted long enough to get it to the dealer.

I think you guys who suggest the trailer module are on to something. I was scratching my head to figure out the link between the blinkers and the backup camera, but that module would be an obvious candidate ....

Regards,
EJB

EJB.

Good news this time!

Now, I'm not even rated high enough to be considered a flunky, in automotive issues, but was thinking that just possibly, is there any chance it could be an intermittent short in the trailer wiring? That would turn the lines off if there was any draw on the power (?)

Hopefully some of the more experience members will weigh in and blow me out of the water and give you a better reason and a way to test for it.

Semper Fi

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