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what would cause these codes?

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Old Apr 9, 2012 | 06:41 AM
  #1  
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Default what would cause these codes?

My engine light came on so I pulled the codes and got this:

AO for the left control module and A1 for the right control module as well as BO RFA. I couldnt get the actual codes cause I was trying to erase a history code on active handling and managed to erase the codes. Any idea on what im looking at or do I have to wait and see if it throws codes again?
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Old Apr 9, 2012 | 07:14 AM
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From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
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If all the codes are erased then you will have to let them pop up again and write them down before erasing or accidently erasing them

RFA is your radio frequency - Key Fobs etc!


Thanks,Matt
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Old Apr 9, 2012 | 03:48 PM
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If the key fob battery was low can it cause the engine light to come on? What about the left and right door control module?
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Old Apr 9, 2012 | 04:12 PM
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I pulled the codes again and for the BO RFA there were 2 codes u1000 u1064.
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Old Apr 9, 2012 | 04:20 PM
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It says loss of communication with BCM and loss of communication undetermined. What does this mean?
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Old Apr 9, 2012 | 04:23 PM
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I had U 1000 (undetermined) on my '01, never did find out why- everything was working on it before hurricane Irene drowned it
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