BMW 09 335D, SES LIGHT ON CODES: P203A, WHAT IS THIS CODE?

Question

I own a 2009 bmw 335d at the 75K miles, the SES light came on. Auto zone came back with following codes: P203A, P205B, P205C, can you decipher what those codes are related to? And what service/repair is recommended?

Answer 1

P203A Reducing agent active tank fill level sensor - signal sensor monitoring fault

P205B Reducing agent active tank temperature sensor

P205C Reducing agent active tank temperature sensor

The best service recommended is to follow up on the Recall Campaign # 160114 Titled Replace the SCR tank.