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    How to: Replacing the Adblue Heater & Temp Sensor Module

    I was getting the 202B fault with my Check Engine Light starting at 74k miles. I have a 2012 TDI SEL. Dealer quote was about $1200 to repair, so I figured I'd do it myself. The part number is 561-198-970. You can get it online for the mid $400 range. I wasn't absolutely confident about my...