(DTC P0441 Stored in the Engine Control Module):
Production tolerance in Diagnostic Module Tank Leakage (DMTL) pump could cause a false flow reading. The production solution to this issue is updated DMTL pumps as of pumps? production date September 2012.
This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.