OEM Diesel Exhaust Fluid (DEF) Tank Control Module for the Titan XD models equipped with the 5.0L Cummins. This module is responsible for ensuring the DEF is transferred from the tank to the injectors. It is located near the DEF tank. When the module fails it will throw a CEL, and possibly go into limp mode.

Fits:

• 2016-2019 Nissan Titan XD
  • 5.0L Diesel models only