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"Undervoltage Consumer Defective" warning message

8K views 5 replies 6 participants last post by  chevota 
#1 ·
I have a 2001 C320 with 60K miles. Recently I'm getting the "Undervoltage Consumer Defective" warning message. What does this mean?
 
#6 ·
That is so tempting.... Reminds me of PEBKAC, which I use all the time at work. Sometimes swapping the P with the persons first initial.
So you'll have to tell us/me where this message is popping up? Like the dash, OBD2 code, your phone? And under what circumstances.
 
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