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weird DTC codes

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Old 08-20-2006, 02:07 PM
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Default weird DTC codes

Recently I've put my car back in MAF mode after being in SD for over a year, and now I get 3 codes i've never seen before:

B1001 - Option Configuration Error
U1000 - Class 2 Communication Malfunction
U1016 - Loss of Class 2 Communication with VCM


Also, in the past year the car has undergone some major surgery as far as engine is concerned, and the AC got pulled out and put put back in in the process.

Any idea what these codes mean?
Old 08-20-2006, 03:33 PM
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http://www.hptuners.com/forum/showth...ighlight=codes nothing to worry about from what I understand. With version 2.1.12 hpt polls all control modules.
Old 08-20-2006, 06:11 PM
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Originally Posted by RedHardSupra
Recently I've put my car back in MAF mode after being in SD for over a year, and now I get 3 codes i've never seen before:

B1001 - Option Configuration Error
U1000 - Class 2 Communication Malfunction
U1016 - Loss of Class 2 Communication with VCM


Also, in the past year the car has undergone some major surgery as far as engine is concerned, and the AC got pulled out and put put back in in the process.

Any idea what these codes mean?
You may need to dig into it a bit more. I would start by double checking all your grounds, especially the one behind the left head.




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