After leaving battery disconnected overnight every thing now shuts down and discharge drops to 0.02amps after 1 hour.
Still need to check and clear fault codes so if there is any further problems I can scan again.
Charge rate still s
seems a bit high
No Load 14.6 volts
Lights heater ac front and rear screens on 14.7 volts
when returned to idle speed with no load voltage rises momentarily to 14.9/15 volts .Seems like smart charge system is working.
MOST bus now shuts down.
Thanks for your input, Hope this has also helped noble3572001's problem.How did you go on noble?