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 | 2010 2011 BMW 5 Series Forum F10  F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Problem with central lock key/inside |  |
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| 09-09-2019, 05:58 AM | #1 |
| Rambo96 Registered 4Rep 3Posts Drives: F30 Join Date: Feb 2019 Location: Netherlands iTrader: (0) |  Problem with central lock key/inside Hi all, Since one week i'm experiencing problems with my central locking. The front 2 doors won't open, or lock when pressing my key, or the central lock button in the inside of my car. Rear left door is working good, Rear right is working sometimes. Carly is giving me the following codes: 801C15 (Faulty asleep at 30B) 801C20 (Central error memory full) 801201 8011FF 801222 800F92 All my fuses are good, however my System voltage at rest is 11.9 Does anyone know where to search for this problem? Im sorry for my english |
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| 09-09-2019, 01:18 PM | #2 |
ezaircon4jc Major General    5454Rep 5,720Posts Drives: 2019 540i M Sport Join Date: Jan 2015 Location: San Diego iTrader: (0) | Quote: Originally Posted by Rambo96  Hi all, Since one week i'm experiencing problems with my central locking. The front 2 doors won't open, or lock when pressing my key, or the central lock button in the inside of my car. Rear left door is working good, Rear right is working sometimes. Carly is giving me the following codes: 801C15 (Faulty asleep at 30B) 801C20 (Central error memory full) 801201 8011FF 801222 800F92 All my fuses are good, however my System voltage at rest is 11.9 Does anyone know where to search for this problem? Im sorry for my english | Your "at rest" voltage should be in the 12.5v range and I'm pretty sure 11.9v is too low for an electronics intensive newer car. Running you should see around 14.4v. I would suspect the battery. There should be a place that will load-test it for you for free or a nominal fee. |
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| 09-10-2019, 07:45 AM | #3 |
| Rambo96 Registered 4Rep 3Posts Drives: F30 Join Date: Feb 2019 Location: Netherlands iTrader: (0) | Quote: | Originally Posted by ezaircon4jc Your "at rest" voltage should be in the 12.5v range and I'm pretty sure 11.9v is too low for an electronics intensive newer car. Running you should see around 14.4v. I would suspect the battery. There should be a place that will load-test it for you for free or a nominal fee. | When running my battery has an ok voltage, shouldn't my central lock be working while driving? |
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| 01-10-2020, 04:29 PM | #4 |
| jrich83 Registered 1Rep 2Posts Drives: BMW E46 325i, BMW F10 528i Join Date: May 2019 Location: Alabama iTrader: (0) | Any resolution to this? I’m having the same issue |
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| 05-29-2020, 07:40 AM | #5 |
kennf10 Private   16Rep 97Posts Drives: 2013 528i Join Date: Feb 2020 Location: Jakarta, Indonesia iTrader: (0) | Quote: | Originally Posted by jrich83 Any resolution to this? I’m having the same issue | same here.. having the same issues here. |
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| 05-30-2020, 01:17 AM | #6 |
dzz Lieutenant  235Rep 418Posts Drives: 2015 BMW 535xi, MHD Stage 2+ Join Date: Sep 2018 Location: Virginia iTrader: (0) Garage List2015 BMW [0.00] | while low voltage could be an issue, I had a problem that one of the antennas used to detect the key fob for comfort access wasn't connected properly, so comfort access on front 2 doors wasn't working. Central lock activated using key fob was working. This antenna in question is located under the cupholders part of the interior trim, right behind the cup holders. You need to remove interior trim to access this antena responsible for comfort access for front 2 doors. Maybe this will solve part of the problem. I'd still look into battery voltage. Also, try to run diagnostic using ISTA, you may get better answer as to what is causing this issue |
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| 05-30-2020, 02:19 AM | #7 |
ziekxq Major  324Rep 1,299Posts Drives: 2011 535i xDrive Join Date: Feb 2016 Location: United States iTrader: (0) | I would check for frm module... This is what controls all this stuff. Might require an update/reprogramming. |
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| 05-30-2020, 12:03 PM | #8 |
| kennf10 Private 16Rep 97Posts Drives: 2013 528i Join Date: Feb 2020 Location: Jakarta, Indonesia iTrader: (0) | Quote: | Originally Posted by Rambo96 Hi all, Since one week i'm experiencing problems with my central locking. The front 2 doors won't open, or lock when pressing my key, or the central lock button in the inside of my car. Rear left door is working good, Rear right is working sometimes. Carly is giving me the following codes: 801C15 (Faulty asleep at 30B) 801C20 (Central error memory full) 801201 8011FF 801222 800F92 All my fuses are good, however my System voltage at rest is 11.9 Does anyone know where to search for this problem? Im sorry for my english | shit.... im having the same problem. |
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| 05-30-2020, 12:04 PM | #9 |
| kennf10 Private 16Rep 97Posts Drives: 2013 528i Join Date: Feb 2020 Location: Jakarta, Indonesia iTrader: (0) | Quote: | Originally Posted by ziekxq I would check for frm module... This is what controls all this stuff. Might require an update/reprogramming. | can it be caused by bimmercode coding ? or what? i just updated my idrive couple days ago from bmw. how to reset the frm module? |
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