Hyper Flash after Turn Signal Recall

[oneinch]

Is there a FORSCAN solution for speed?

Yes. FORScan can "fix" the hyper flash. The down side is you lose hyper flashing. Huh? you say. The truck hyper flashes to tell you you have a bulb out. FORScan can turn this notification off.

In FORScan in Easy mode - not As-Built mode - do the following in the BCM.

"Front Bulb Turn Outage",
"Rear Bulb Turn Outage", and
"Rear Stop Bulb Outage"
change from Enabled to Disabled.
Done to stop hyperflash due to LED bulbs after turn signal recall work.

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[A.Bursell]

Yes. FORScan can "fix" the hyper flash. The down side is you lose hyper flashing. Huh? you say. The truck hyper flashes to tell you you have a bulb out. FORScan can turn this notification off.

In FORScan in Easy mode - not As-Built mode - do the following in the BCM.

"Front Bulb Turn Outage",
"Rear Bulb Turn Outage", and
"Rear Stop Bulb Outage"
change from Enabled to Disabled.
Done to stop hyperflash due to LED bulbs after turn signal recall work.

Yes and no. With LEDs installed, they aren't going to hyperflash to tell you they are out anyway since they already draw so little current. The traditional fix has been to install resistors, which means no hyperflashing as long as the resistor is working (not the LED), which doesn't really help much. So turning off the bulb outage in Forscan doesn't really change anything.

BTW, not necessary to disable "Rear Bulb Turn Outage." I'm sure it won't hurt anything, but no reason to disable more than necessary.

 

[oneinch]

Yes and no. With LEDs installed, they aren't going to hyperflash to tell you they are out anyway since they already draw so little current. The traditional fix has been to install resistors, which means no hyperflashing as long as the resistor is working (not the LED), which doesn't really help much. So turning off the bulb outage in Forscan doesn't really change anything.

BTW, not necessary to disable "Rear Bulb Turn Outage." I'm sure it won't hurt anything, but no reason to disable more than necessary.

Misinformation and not true at all. After the recall the truck's electronics are more sensitive to power draw or lack thereof. With LED bulbs drawing so little current the truck thinks the bulb(s) is burnt out and hyperflashes. There are three possible fixes; 1) Reprogram the truck to be less sensitive as before the recall. Not happening., 2) Increase the power draw to the LEDs; i.e. splice in resistors, or 3) Using FORScan tell the truck to not hyperflash in a bulb out situation. Option 3 is by far the easiest solution. Lastly, yes you do have to disable both turn signals and the stop lamps. Well, if you swapped in LED stop lamps. I know this first hand because I disabled only the turn signals and my truck still hyperflashed. Only after disabling the stop lamps did my hyperflashing stop.

* My truck is a '22 Lariat Lux. Mileage may differ with other model years and/or trim levels and/or options.

 

[A.Bursell]

Misinformation and not true at all. After the recall the truck's electronics are more sensitive to power draw or lack thereof. With LED bulbs drawing so little current the truck thinks the bulb(s) is burnt out and hyperflashes. There are three possible fixes; 1) Reprogram the truck to be less sensitive as before the recall. Not happening., 2) Increase the power draw to the LEDs; i.e. splice in resistors, or 3) Using FORScan tell the truck to not hyperflash in a bulb out situation. Option 3 is by far the easiest solution. Lastly, yes you do have to disable both turn signals and the stop lamps. Well, if you swapped in LED stop lamps. I know this first hand because I disabled only the turn signals and my truck still hyperflashed. Only after disabling the stop lamps did my hyperflashing stop.

* My truck is a '22 Lariat Lux. Mileage may differ with other model years and/or trim levels and/or options.

I'm not sure what you are arguing and saying is misinformation -- we are saying the same thing!

Except for the Forscan change. My truck is a 24 Lariat and I did not need to disable the stop lamp setting. I think it must vary from vehicle to vehicle then.

 

[oneinch]

we are saying the same thing!

I'm not arguing. You said "With LEDs installed, they aren't going to hyperflash to tell you they are out anyway since they already draw so little current." This is why they hyperflash. The lower power draw is interpreted by the truck as a bulb out condition and it initiates the hyperflash. To be clear, were talking about after having the turn signal recall done.

Also, "traditional fix has been to install resistors.....turning off the bulb outage in Forscan doesn't really change anything". Installing resistors will fix the problem, but FORScan is so much easier. Turning off bulb outage notification does change things; it stops the hyperflashing. The caveat to this is if you do have a bulb outage you won't be notified with a hyperflash.

Lastly, "not necessary to disable "Rear Bulb Turn Outage". If you've swapped in LED stop lamp bulbs you will need to disable this notification too. Their low power draw will also be interpreted as a bulb out and cause hyperflashing.

To date you have three choices to fix the hyperflashing after recall problem. 1) Go back to incandescent bulbs. 2) Wire in resistors at each LED bulb. 3) Spend a few minutes with FORScan to disable some notifications. Well, I guess there is a fourth option, undo or reprogram whatever it is the recall did.

 

[A.Bursell]

I'm not arguing. You said "With LEDs installed, they aren't going to hyperflash to tell you they are out anyway since they already draw so little current." This is why they hyperflash. The lower power draw is interpreted by the truck as a bulb out condition and it initiates the hyperflash. To be clear, were talking about after having the turn signal recall done.

Also, "traditional fix has been to install resistors.....turning off the bulb outage in Forscan doesn't really change anything". Installing resistors will fix the problem, but FORScan is so much easier. Turning off bulb outage notification does change things; it stops the hyperflashing. The caveat to this is if you do have a bulb outage you won't be notified with a hyperflash.

Lastly, "not necessary to disable "Rear Bulb Turn Outage". If you've swapped in LED stop lamp bulbs you will need to disable this notification too. Their low power draw will also be interpreted as a bulb out and cause hyperflashing.

To date you have three choices to fix the hyperflashing after recall problem. 1) Go back to incandescent bulbs. 2) Wire in resistors at each LED bulb. 3) Spend a few minutes with FORScan to disable some notifications. Well, I guess there is a fourth option, undo or reprogram whatever it is the recall did.

Ok, we are still saying the same thing. LEDs won't hyperflash to tell you a bulb is out. They hyperflash already because of the low current draw. So if you fix that with a resistor, for example, even if the LED goes out, it still won't hyperflash.

I agree Forscan is easier. I recommend it not only because it's easier, but because it doesn't compromise the factory wiring and is reversible.

Again, I am speaking from experience on my truck as well as reports from others. Despite the name of rear turn bulb outage vs. Rear stop bulb outage, it was not necessary to disable both to stop the hyperflash, only the stop lamp parameter needed disable. Not sure if it's a Forscan error or what the issue is, as I agree it doesn't make sense, but that's how it is.

 

[oneinch]

that's how it is

There's probably several ways to skin this cat. I swapped out all incandescent bulbs for LEDs. All was fine until after the recall. My dash hyperflashed. I tried fixing it by disabling both front and rear turn outage. This did not stop the hyperflashing. Only after also disabling the stop outage as well did the hyperflashing stop. Disabling it was absolutely necessary.

Would disabling outages in another combination or order sequence work as well? I don't know.

"LEDs won't hyperflash to tell you a bulb is out." Who cares if this is so? I didn't say this. True or not, it doesn't apply. The only thing we care about is the truck hyperflashing and we want it to stop. I briefly explained why the truck hyperflashes and that to fix it you either do the much more difficult option to increase load in the wires with resistors or the easy and quick option of disabling outages notifications.

There was absolutely no "yes and no" to what I said.

I'm moving on now. You may have the last word of you wish.

 

[A.Bursell]

Yes. FORScan can "fix" the hyper flash. The down side is you lose hyper flashing. Huh? you say. The truck hyper flashes to tell you you have a bulb out.

"LEDs won't hyperflash to tell you a bulb is out." Who cares if this is so? I didn't say this. True or not, it doesn't apply.

I'm moving on now. You may have the last word of you wish.

Ok.

 

[Enchalada]

Yes. FORScan can "fix" the hyper flash. The down side is you lose hyper flashing. Huh? you say. The truck hyper flashes to tell you you have a bulb out. FORScan can turn this notification off.

In FORScan in Easy mode - not As-Built mode - do the following in the BCM.

"Front Bulb Turn Outage",
"Rear Bulb Turn Outage", and
"Rear Stop Bulb Outage"
change from Enabled to Disabled.
Done to stop hyperflash due to LED bulbs after turn signal recall work.

Didnt realize the hyperflash tells you you have a bulb out..
Did the recalls
Have Lasfit bulbs in most slots but had changed back to OEM in the brake/tail lights
Started hyper-flashing earlier this week when I was signaling a turn at a long light.. never had it since but then again wasn't at a long light..

Guess I should check all my lights..

 

[oneinch]

Didnt realize the hyperflash tells you you have a bulb out..
Did the recalls
Have Lasfit bulbs in most slots but had changed back to OEM in the brake/tail lights
Started hyper-flashing earlier this week when I was signaling a turn at a long light.. never had it since but then again wasn't at a long light..

Guess I should check all my lights..

I have the Lasfit bulbs also. Disabling all the outage options fixed the problem.

 

[Enchalada]

I have the Lasfit bulbs also. Disabling all the outage options fixed the problem.

Through Forescan correct?

 

[oneinch]

Through Forescan correct?

Yes, with FORScan.

 

[Chris_G]

I'm not arguing. You said "With LEDs installed, they aren't going to hyperflash to tell you they are out anyway since they already draw so little current." This is why they hyperflash. The lower power draw is interpreted by the truck as a bulb out condition and it initiates the hyperflash. To be clear, were talking about after having the turn signal recall done.

Also, "traditional fix has been to install resistors.....turning off the bulb outage in Forscan doesn't really change anything". Installing resistors will fix the problem, but FORScan is so much easier. Turning off bulb outage notification does change things; it stops the hyperflashing. The caveat to this is if you do have a bulb outage you won't be notified with a hyperflash.

Lastly, "not necessary to disable "Rear Bulb Turn Outage". If you've swapped in LED stop lamp bulbs you will need to disable this notification too. Their low power draw will also be interpreted as a bulb out and cause hyperflashing.

To date you have three choices to fix the hyperflashing after recall problem. 1) Go back to incandescent bulbs. 2) Wire in resistors at each LED bulb. 3) Spend a few minutes with FORScan to disable some notifications. Well, I guess there is a fourth option, undo or reprogram whatever it is the recall did.

What about option #4? don't install the LEDs in the first place.

 

[oneinch]

What about option #4? don't install the LEDs in the first place.

This works also.

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