[battlecat]

Hi All,

This may be a simple or not so simple problem.

I recently was posting the articles to help me resolve a 804875 error. Basically I used BimmerCode to code my 2014 F33 to accept LED lights in the rear turn signals in the REM.

Once done I put in the LEDs and still got a light bulb error. I thought the lights were no good and did a backup recovery. I then dropped in the original filament bulbs. All errors were gone and the original filament bulbs are passing the warm/cold checks.

What happened then was I noticed hyperblinking when indicating and the rear signals did not light up. I then removed a bulb to check and immediately saw the light bulb error - so I'm sure the bulbs are good and there is a signal going through them for the checks - but no power.

I took the car to a BMW specialist who upon scanning the car saw error fault 804875 (One or several outputs have exceeded the approved number of short circuit cycles (Encodable). He then tried to clear / erase the error and restart the REM ECU. He was unsucesful and the fault remains. Even after that - there was no luck.

I did share my log files with BimmerCode tech team who said 'we are working on a function to reset the short circuit counter for the BimmerLink app' and may take a few days.

Have any of you faced this? I am going on a long roadtrip with my 3 year old and really don't feel safe driving without these rear turn signals. Its the only car I own right now.

Please do try and help me if you know a fix to this.

[zeikei]

At least in the past the tool for that job (reset those counters) has been Toolset32, but personally I do not know how to use it. There are folks here such as Ibo24 who have helped others remotely with similar issues, but you need of course enet cable and a PC for that.

[battlecat]

Thanks. Here's hoping I can fix it soon. Reaching out to ibo. Anyone else have any ideas ?

[Ravman]

battlecat did you manage to fix?

I’m experiencing a similar issue:

I changed rear indicators to LEDs, coded them to LED using Bimmercode however bulbs started to hyper flash hence, reverted back to stock halogens and recoded back. Now rear indicators won’t work at all, only the side, front and dash indicator signals work but they hyper flash. No dashboard / error warnings show either. Tried also hard resetting ECU by disconnecting battery for 15-20mins but no luck.

[Billfitz]

Bimmercode won't cause hyperflash, but failing to code the turn signals to LED will. It's easy to miss doing them, since you have to separately code the different rear bulbs. Clear the error codes with your OBD diagnostic and repair tool. Disconnecting the battery doesn't reset anything other than the clock.

[Eschmacher]

Bimmerlink has the ability to reset short circuit codes. Not a free feature though, I think.

[Ravman]

Originally Posted by Billfitz

Bimmercode won't cause hyperflash, but failing to code the turn signals to LED will. It's easy to miss doing them, since you have to separately code the different rear bulbs. Clear the error codes with your OBD diagnostic and repair tool. Disconnecting the battery doesn't reset anything other than the clock.

Billfitz I thought I had coded for LEDs in bimmercode (attached) I activated the LED conversion rear turn signals - would I have to do anything else?

[Ravman]

Originally Posted by Eschmacher

Bimmerlink has the ability to reset short circuit codes. Not a free feature though, I think.

Eschmacher as in if I purchase Bimmerlink, then resetting short circuit codes also incurs an additional charge?

[Eschmacher]

Originally Posted by Ravman

Eschmacher as in if I purchase Bimmerlink, then resetting short circuit codes also incurs an additional charge?

No, if you buy the full version it's included.

[Billfitz]

Originally Posted by Ravman

Billfitz I thought I had coded for LEDs in bimmercode (attached) I activated the LED conversion rear turn signals - would I have to do anything else?

You may have to code the front to LED as well, even if they're not LED, as the flasher works on both. But your picture doesn't show the rear turn signal LED conversion as being active.

[Ravman]

Originally Posted by Eschmacher

No, if you buy the full version it's included.

Eschmacher ok will take a look. Thanks

[Ravman]

Originally Posted by Billfitz

You may have to code the front to LED as well, even if they're not LED, as the flasher works on both. But your picture doesn't show the rear turn signal LED conversion as being active.

Billfitz sorry yes image attached was just of my back up. So if I activated both front and rear indicator to LED that may fix my issue? Even if I keep them as stock halogens?

[Billfitz]

I don't know if that will work, but it's worth a try. Halogens will work coded as LED. They just won't throw a warning if they burn out.

[Ravman]

Originally Posted by Billfitz

I don't know if that will work, but it's worth a try. Halogens will work coded as LED. They just won't throw a warning if they burn out.

I see ok, yeh will try that once I’m back from work. Fingers crossed 🤞🏾🤣

[julian204]

Originally Posted by Ravman

Billfitz I thought I had coded for LEDs in bimmercode (attached) I activated the LED conversion rear turn signals - would I have to do anything else?

Make sure you have the cold bulb check (or whatever it's called exactly) turned off in Bimmercode. My car came with LED from the factory and the bulb check is turned off as standard. I once turned it on in Bimmercode and that caused the indicators to hyperflash

[Ravman]

Originally Posted by julian204

Make sure you have the cold bulb check (or whatever it's called exactly) turned off in Bimmercode. My car came with LED from the factory and the bulb check is turned off as standard. I once turned it on in Bimmercode and that caused the indicators to hyperflash

julian204 I don’t seem to have that as a selection, do you have to go into advanced settings…?

[julian204]

Originally Posted by Ravman

julian204 I don’t seem to have that as a selection, do you have to go into advanced settings…?

I just realised that when we tried it on my car, it was done with a the Carly app on a friend's phone and not with Bimmercode. However, Bimmercode should also have an option for this, it's called Voltage Monitoring and should be in the Front Electronic Module (check out the screenshot in this thread: https://f30.bimmerpost.com/forums/sh....php?t=1406532).

I can't connect my car at the moment so I opened up the Bimmercode app in demo mode. For some reason it doesn't show up there, but I hope it does with yours.

[Billfitz]

Originally Posted by julian204

Make sure you have the cold bulb check (or whatever it's called exactly) turned off in Bimmercode.

There are no separate warm and cold checks in Bimmercode. When you make LED conversion active it turns off the warm and cold checks and PWM voltage all at once.

[Ravman]

Originally Posted by julian204

I just realised that when we tried it on my car, it was done with a the Carly app on a friend's phone and not with Bimmercode. However, Bimmercode should also have an option for this, it's called Voltage Monitoring and should be in the Front Electronic Module (check out the screenshot in this thread: https://f30.bimmerpost.com/forums/sh...hp?t=1406532).

I can't connect my car at the moment so I opened up the Bimmercode app in demo mode. For some reason it doesn't show up there, but I hope it does with yours.

Nope I don’t have this section… strange

[julian204]

Originally Posted by Billfitz

There are no separate warm and cold checks in Bimmercode. When you make LED conversion active it turns off the warm and cold checks and PWM voltage all at once.

Didn't know that, thanks.

[Billfitz]

There are a number of codings that require changing multiple CAFD entries when using E-Sys. One of the nice things about Bimmercode is that it combines many of those into a single click operation.

[Rebound]

It’s very common for the ground pin on the power connector to the rear turn signal/brake light to fail. Unplug the connector and inspect it CAREFULLY. Use a flashlight and make sure that all the pins are intact. On mine, a ground pin had completely burned away, and I could barely see the damage.