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D4 - Engine Bay Everything under the bonnet |
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Thread Tools | Display Modes |
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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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