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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > CIC reboots every 2 min after taking to shop



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      05-20-2015, 09:37 AM   #1
wepio
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CIC reboots every 2 min after taking to shop

Car went in for regular check up. Dropped it off; CIC has no issues. Pick it up, CIC is resetting every 2 minutes. Tech asks if I've ever seen this, and told him no. He said he was having issues resetting the service interval, and when he started it up, the interval reset wasn't sticking. Tried again, and that's when the CIC started to freak out. Anyone else run into this?

He mentioned the FRM (?) is outdated by two versions, but it's been like that. What gives? Taking it back today and having them update whatever it takes until it's all resolved.

I also did the CIC reset by holding the mute button for 25 sec.

Oh, and I am using an iPod Touch with Y-Cable adapter. iPod is fine. Do the cables go bad?
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      05-20-2015, 10:16 AM   #2
dbond
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There is a watchdog process running on CIC responsible for resetting it if any CIC services got stuck. There is a possibility EEPROM got whipped by accident and you now have to reprogram the CIC. Or it could be a coincidence and some CIC hardware is actually failing.
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      05-20-2015, 10:42 AM   #3
wepio
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Thanks for reply. Interesting; hadn't considered it could be stuck in some safe mode loop (unless it really is coincidence the CIC is failing same day it goes to shop). I'll have to see what happens. They said they'd update software and reprogram. Just dropped off the car.
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      05-20-2015, 07:31 PM   #4
wepio
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Quote:
Originally Posted by dbond View Post
There is a watchdog process running on CIC responsible for resetting it if any CIC services got stuck. There is a possibility EEPROM got whipped by accident and you now have to reprogram the CIC. Or it could be a coincidence and some CIC hardware is actually failing.
Any possibility it could be temperature related? The tech seems to think the problem could be brought on due heat.

Just picked up car unresolved. He said updated CIC and amp.
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      05-21-2015, 03:56 PM   #5
dbond
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Is CIC fully functional before it resets agian? You said every 2 minutes. It's should be enough to fully boot up for the CIC.
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      05-21-2015, 04:05 PM   #6
wepio
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Quote:
Originally Posted by dbond View Post
Is CIC fully functional before it resets agian? You said every 2 minutes. It's should be enough to fully boot up for the CIC.
Yeah, it's fully functional, and I can get into all the features. It doesn't remember the last screen it was on, though. For instance, It's like Groundhog Day when it reboots; same radio station and back to main menu screen regardless of what was on screen or media mode when it flicks off.

And to correct my earlier post, he didn't specifically say CIC was what he updated, just that he updated the 'screen/display' and amplifier.
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      05-21-2015, 10:50 PM   #7
dbond
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Your best bet is update/program the CIC. Find out they truly programmed it or not. If they did it's time to get a new CIC headunit.
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      05-21-2015, 11:58 PM   #8
ctuna
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Are you sure the battery is not low.

Are you sure the battery is not low.
Battery run down due to the car staying awake while being worked
on . Then the voltage is to low for the electronics to reliably run.
Put a full charge the battery to see if it corrects the problem.
When they program they are suppose to put the car on a regulated
power supply to stop the battery from being drained.

Last edited by ctuna; 05-22-2015 at 12:04 AM..
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      05-22-2015, 09:55 AM   #9
wepio
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Thanks for the responses. The battery is only a year old, and tech mentioned he did charge the battery, and had it on a tender while updating software.

It's going back in today for more updates. I'll see how this goes.
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