A4 B7 Tfsi P0642 - 002 anyone?

[Ronny_nordstrom]

Hey. My gf bought a b7 tfso BWE engine and i scanned the car and she got this code P0642 - 002 Voltage to low

Anyone know what and where i should start looking and what should i replace?

 

[Charlie Farley]

001602
P0642-002

 

[Ronny_nordstrom]

so where exactly should i start to look for some damaged wires ? pics `?