Welcome Varrick +++

I would try to fool the system first and see how long that lasts before you get into the same position. If it is weeks rather than months then it is probably worth changing the module +++

Thanks everyone, she's still on the ramps but will keep you posted on the results! +++

Hi everyone, thought I would provide an update. Pleased to say that all problems now fixed, courtesy of juice from a new Bosch Silver and a replacement coolant fan / control unit purchased from the forum sponsors! I must say the service provided by Maria at Prestige was fantastic! Good work! +++