On VCDS each module will show power supply voltage that it gets. So ECU can show one voltage, HVAC slightly different, ABS different ect.
It's all down to losses in wires, connections, fuses.
__________________
Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
|