Passat TDI AdBlue level sensor replacement
November 6, 2018
On the same day I had my Passat serviced for diesel
exhaust fluid heater replacement, I had CEL light warning
and AdBlue low-level warning even though the AdBlue fluid was refilled.
It turned out that the AdBlue level sensor was broken and had to be replaced. Unlike diesel exhaust fluid heater,
the AdBlue level sensor was not covered. Diagnosis, sensor part, and labor would have cost more than $1200.
My service advisor exempted the labor cost and that helped reducing the repair bill.