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Circuit 15 has an open circuit

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E-Class (W212) 2010 - 2016: E 350, E 550

Circuit 15 has an open circuit

 
Old 06-14-2018, 01:12 AM
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2010 e550 p2
Circuit 15 has an open circuit

Any thoughts?
i did a quick search but couldnt really find anything related nor any useful info that could help.

a few days ago i went to work just like i usually do in the morning , and after maybe 3 minutes if driving , i lost power , exhaust didn't sound the same (hard to explain but you could tell and hear that something is wrong) , i got a CEL but without any notification on cluster display , just lost power and an orange CEL in cluster.
so i immediately pulled into a parking. Restarted the car and everything is good ever since.
today i got my hands on a Icar soft OBD 2 scanner and was able to pull the code... which said A12c (not sure if its the actual code or just a scanners random number) circuit 15 has an open circuit , which i thought was related to the problem i had the other day.
any thoughts or info about this code?
thank you
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Old 06-14-2018, 05:46 AM
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2014 E550 4MATIC TUNED - Turbo Upgraded Stage 3
Circuit 15 ....mmm.....Something to do with BCM ? or relay and fuse on circuit 15 ?
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Old 06-14-2018, 09:37 AM
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2010 e550 p2
Originally Posted by cocobeex View Post
Circuit 15 ....mmm.....Something to do with BCM ? or relay and fuse on circuit 15 ?
yes ! Thats what i read , it looks like it has to do something with the BCM

whats circuit 15.. im confused , there is not that much info on it.
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