They have no idea what they are doing.

BTW:

Both CANH and CANL should be at 2.5 volts when not active, but can be up to 0.9 volts apart from each other.

CANH active should be between 2.75 and 4.5 volts.
CANL active should be between 0.5 and 2.25 volts.

__________________
Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)