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P1445 Maximum threshold of additive in the particulate emission filter reached

61K views 11 replies 6 participants last post by  boostin  
Get someone round with planet to read it.
Maybe resetting the parameters and see if the fault persists.
 
Before replacing cap sensor check that both the magnets are present on filler cap.
A quick test of the sensor is to do a continuity test.

May I suggest that you update your profile so it shows your location and put car details in signature.