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View Poll Results: For those with EDC...
Had EDC Module failure: Fixed under warranty 15 13.39%
Had EDC Module Failure: Fixed outside of warranty 23 20.54%
Have had no issues with my EDC Module 74 66.07%
Voters: 112. You may not vote on this poll

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      01-08-2025, 11:28 AM   #67
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EEPROM ("electronically erasable, programmable read only memory") is the flash memory module itself. Did you have any power issues while coding the car?
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      01-08-2025, 11:42 AM   #68
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Quote:
Originally Posted by Reddevils7 View Post
I was hoping someone could shed some light. I've been battling this "600A EEPROM - FEHLER control module, internal fault" error for my edc. I literally bought a brand new module from BMW after initially trying a couple used ones from eBay. I cannot use the edc button to toggle between the 3 settings but it works fine via the M button and iDrive to adjust between comfort/normal/sport. I can feel the difference and know it's working properly when I switch the modes

Of note:
The night it stopped working was the same night I did the combox retrofit. This is the coding I followed and default coded the appropriate modules. My test drive was fine, no errors on dash but I don't remember using EDC at that time. It was more of a general test to make sure the car started and there were no codes after coding lol. Later that night, I went out and noticed the button wasn't working, still there were no errors on the dash or thru obd. Then I came home and reset the car completely back to stock, in terms of coding only, the combox was and is still installed. Then I tried to pull codes and still nothing was showing (except now for the SOS and LCI taillight errors because it was stock coding). The button still was not working despite the stock coding. Then I drove another 5 miles or so and finally the EDC error on dash popped up and then the 600A when I checked

Tonight, after installing the new module from BMW (via fcp euro) I reset the vin to my car. It was set to something like "xyxxx" I don't remember the exact default vin but it was a bunch of letters. Then I made sure it matched my car and I default coded it after and still the same problem. I will let the car sit overnight and actually start it and drive it tomorrow and see

I still think the combox was a coincidence as it wouldn't make sense on why the EDC would stop but should I switch it back to the mulf/tcu and see? About ready to give up and take it to the dealer. My Indy shop checked with ISTA and said the EDC module wasn't getting power and ISTA's only suggestion was to replace the module. The 2 wiring harnesses both looked fine and it's never been touched from what I could tell, the area looked dry and pristine
Did the setting change fine with the previous/used modules as well (over iDrive)? As the module apparently change the drive current to the shocks, making mentioned difference, could it simply be the EDC button that has broken..?
No idea what the error code refers to but as Kolosy says EEprom is a programmable memory (like a Flash mem but different technology).
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      01-08-2025, 11:45 AM   #69
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Quote:
Originally Posted by Helmsman View Post
Did the setting change fine with the previous/used modules as well (over iDrive)? As the module apparently change the drive current to the shocks, making mentioned difference, could it simply be the EDC button that has broken..?
No idea what the error code refers to but as Kolosy says Eprom is a programmable memory (like a Flash mem but as mentioned erased differently).
Yes, even with the other 2 used modules I could still switch via iDrive. I'm about to go on a drive in a bit so we'll see if actually starting and moving the car makes a difference. Maybe the senors need to receive data. What's weird is when I try to erase the error code, it's like it doesn't even try to on protools. When I try to clear the code on bimmerlink, it says it's unable to clear it immediately

Last edited by Reddevils7; 01-08-2025 at 11:45 AM..
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      01-08-2025, 11:49 AM   #70
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Quote:
Originally Posted by kolosy View Post
EEPROM ("electronically erasable, programmable read only memory") is the flash memory module itself. Did you have any power issues while coding the car?
No power issues. At one time, I forgot to turn the ignition button back on. In protools, it tells you to cycle ignition after each module recode and I had moved on to the next one without turning it back on. The app told me the connection was bad and to recheck the ignition and then when I did it restarted just fine and I was able to finish all the rest. But I'm pretty sure that happened when I was resetting everything back to stock after the problem started

One thing that initially was working was with protools I could go into the diagnostic section and test each of the 3 modes. The appropriate corresponding light would flash for a second on the EDC button during the test. After replacing my original module, the testing mode no longer flashes any of the lights but it's still working when switching thru with the iDrive in all 3 modes with the appropriate light showing and me being able to tell the difference

Last edited by Reddevils7; 01-08-2025 at 11:53 AM..
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      01-08-2025, 12:08 PM   #71
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Quote:
Originally Posted by Reddevils7 View Post
Yes, even with the other 2 used modules I could still switch via iDrive. I'm about to go on a drive in a bit so we'll see if actually starting and moving the car makes a difference. Maybe the senors need to receive data. What's weird is when I try to erase the error code, it's like it doesn't even try to on protools. When I try to clear the code on bimmerlink, it says it's unable to clear it immediately
The EDC module need min 5km/h to kick start/power up but you clearly have done that/tested the modes.
I noticed post #48 in this thread also ref to the EEprom 600A code which apparently was solved with a new module.

For the fun of it opened a spare module I have at home and can't say I immediately spot an EEPROM in there but guess it could be one of the devices. Got me thinking, could the ref be to a memory in the DME..?

Anyways, I would def take a closer look at the button. Try to gently open up, disconnect it and measure with a simple multi/ohm meter just to clear that out of the way.
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      01-08-2025, 12:10 PM   #72
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Quote:
Originally Posted by Helmsman View Post
The EDC module need min 5km/h to kick start/power up but you clearly have done that/tested the modes.
I noticed post #48 in this thread also ref to the EEprom 600A code which apparently was solved with a new module.

For the fun of it opened a spare module I have at home and can't say I immediately spot an EEPROM in there but guess it could be one of the devices. Got me thinking, could the ref be to a memory in the DME..?

Anyways, I would def take a closer look at the button. Try to gently open up, disconnect it and measure with a simple multi/ohm meter just to clear that out of the way.
But if the button was bad, why would the lights still change on it?
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      01-08-2025, 12:12 PM   #73
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Quote:
Originally Posted by Reddevils7 View Post
But if the button was bad, why would the lights still change on it?
Ah, sorry mate, I misunderstood that and thought it didn't!
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      01-08-2025, 12:26 PM   #74
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Quote:
Originally Posted by Helmsman View Post
Ah, sorry mate, I misunderstood that and thought it didn't!
This is what I mean. Once I'm in M mode, I can toggle between EDC settings via iDrive only. The button itself doesn't respond
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      01-08-2025, 08:00 PM   #75
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Quote:
Originally Posted by Reddevils7 View Post
This is what I mean. Once I'm in M mode, I can toggle between EDC settings via iDrive only. The button itself doesn't respond
Mine does the same, I can change via idrive and selecting the m button, but normal press of button does nothing!!! Has never worked since I’ve owned, 5 years lol
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      01-08-2025, 09:46 PM   #76
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Quote:
Originally Posted by Fooksdaddy View Post
Mine does the same, I can change via idrive and selecting the m button, but normal press of button does nothing!!! Has never worked since I’ve owned, 5 years lol
Did you check if you have any codes? You have the EDC malfunction logo come up on the dash when you shut the car off?
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      01-09-2025, 06:35 PM   #77
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Quote:
Originally Posted by Reddevils7 View Post
Did you check if you have any codes? You have the EDC malfunction logo come up on the dash when you shut the car off?
No codes, no light on dash
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      01-09-2025, 07:05 PM   #78
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Quote:
Originally Posted by Fooksdaddy View Post
No codes, no light on dash
Hmm.. maybe your button is just broken then lol
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      01-10-2025, 02:14 PM   #79
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Quote:
Originally Posted by Reddevils7 View Post
Hmm.. maybe your button is just broken then lol
Maybe....idk? I have the evolve bilsteins going on in the next week or so and will address this next
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      01-11-2025, 11:42 PM   #80
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Water seeped in through the tail light and fried my edc.

At least on the pre-LCI cars, the screws holding the tail lights on can get loose and let water in. Good idea for people in wet climates to check them occasionally.
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      01-12-2025, 04:31 PM   #81
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Quote:
Originally Posted by BGBF18 View Post
Water seeped in through the tail light and fried my edc.

At least on the pre-LCI cars, the screws holding the tail lights on can get loose and let water in. Good idea for people in wet climates to check them occasionally.
Agreed, always a good idea to routinely check. There was zero moisture in the area in my case
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