Heater blower fault

So a new problem has appeared the heater blower is blowing full blast even though the climate control is turned off I had to pull the fuse to stop it anybody come across this before

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I would say the controller module has shorted out. Perhaps you have had water into the heater box and soaked the electrics. Is the passenger floor wet?
 
I would say the controller module has shorted out. Perhaps you have had water into the heater box and soaked the electrics. Is the passenger floor wet?
It's all bone dry is the module under that floor flap do you mean the ccc module

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The controller module for the blower speed is fitted into the heater box near the blower motor.

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The wiring plug fits directly into the blower motor so follow the cable back to find the controller.
 
Can not tell if that is the actual unit as unable to zoom in on the part number.
The climate blower controller part number is

6Q2 907 521 A​

 
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