Nissan Qashqai 1.5Dci 2009 OBDII Error Code P1644: Causes and Fixes

Model: Nissan Qashqai Fault Code: P1644 Posted: 2014-03-03 02:42

Hi everyone, Does anyone know what causes OBDII error code P1644 in a Nissan Qashqai 1.5Dci from 2009, and how to fix it? Thank you for any insights or troubleshooting steps. PS: This applies specifically to the 2009 Nissan Qashqai 1.5Dci diesel model.