VE L98 charging errors

[06vecalais]

G'day m8s I've got an o6 ve Calais 6ltr L98
I've replaced Alt Batt batt sensor
Bcm ecu checked fuses
Leads
But I'm still getting Alternator fail warning
I've had mechanics come with scanning tools
And in fed up they cant find problems
I have voltage to charge post on Alt
I myself suspect the alt connection from ECU
That it's not exciting the Armature

Anyone got ideas

 

[Freedon]

have you actually changed the alternator?

 

[lout]

is this a constant fault or intermittent