3.2.176. SPN 3516, FMI 19, Aftertreatment 1 Diesel Exhaust Fluid Information -message not presentΒΆ

Description

The AdBlue suction module is installed in the SCR tank. The suction module is an independent unit which measures all the critical parameters of the aqueous urea solution.

The EEM4 monitoring system is not able to detect the DEF tank Information message from the bus.

Possible causes are:

  • The fault is an internal electronic fault in the suction module.

Reaction in EEM

The FC is stored and the warning lamp is activated.

NOTE: The present fault is classified as an emission related fault. Engine power will be reduced after a certain time which is defined by an authority.

Solution

  • Check the AdBlue suction module wiring, the connectors and the contact surfaces of the connector pins (possible oxidation).

Save the error log and then erase it. Restart the ECU after erasing the error log. If the fault occurs again during the next driving cycle, check the following paths:

  • Check the operation with another AdBlue suction module to see if the module is defective.