0378 - Coolant Circulation Pump VCDS error?
Hi there,
Ever since I bought the car I have had this fault;
0378 - Coolant Circulation Pump
B10D0 04 [009] - Internal System Fault
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 4
Reset counter: 111
Mileage: 148677 km
I am guessing this is not the main water pump but a secondary/auxiliary pump?
Also guessing this is 12v powered and not belt driven.
I have Googled and see that in most cases the fault manifests itself with the in-car heating blowing cold air but on mine the HVAC works perfectly blowing nice & warm when the weather is cold.
Where is this coolant circulation pump located and is it easy to test?
I have scanned the manual and don't see a separate control fuse listed for it.
Any help/guidance etc. would be much appreciated.
Thanks & kind regards,
-=Glyn=-
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