2021 Transit Custom Thermostat Housing Known Fault

Small numbers of 2021 Ford Transit Custom are affected by a faulty Thermostat Housing.
Typically 3/100 vehicles as of November 2021 

Symptoms 
Engine management light 
Loss of power 
Over heating 

Fix
Limp home or to Ford Garage 
Put heating full blast where you drive to cool the engine 
The replacement part takes no more than about 90 minutes to fix 

Recall
There is presently no recall or pre delivery check for this but imagine this part will be replaced as standard at some stage in 2022