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Discussion Starter #1
I have a 2000 c5 6sp that starts then stops and displays "reduced engine power", BCM-no comm, SDM-no comm, Radio-no comm, HVAC- no comm, LDCM-no comm, RDCM-no comm, BO-RFA-no comm, and PCM-P1626. power windows or locks not working either. I could really use help, any input is greatly appreciated
 

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Discussion Starter #3
I have a 2000 c5 6sp that starts then stops and displays "reduced engine power", BCM-no comm, SDM-no comm, Radio-no comm, HVAC- no comm, LDCM-no comm, RDCM-no comm, BO-RFA-no comm, and PCM-P1626. power windows or locks not working either. I could really use help, any input is greatly appreciated
First disconnect battery for 1/2 hr. check voltage of it. reconnect battery and see if that resets the computer
 

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Discussion Starter #6
Yes I checked it. Everything looks good. I’m leaning towards the ignition switch or the BCM
 
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