Installation instructions can be found here.
Freightliner def tank level sensor.
Diesel exhaust fluid quality abnormal rate of change is active because their is no def in the tank.
Monitors def fluid levels and temperature.
As you can see the tank level code quality sensor code and the tank temperature code went yellow on texa which means the codes are now inactive and the sensor assembly is communicating with the cummins ecm.
It is weak thing becouse if def was spilled on cooper wires they gonna be corroded.
Def quality sensor new for 2016 epa regulations def tank sensor assembly for level and temperature now fitted with quality sensor quality sensor must detect 32 5 concentration of def use def meeting iso22241 specifications for purity and composition store def in a cool dry well ventilated area out of direct sunlight.
Also unplug the turbo actuator connections and recheck.
Fits freightliner m2 106 2010 2013 freightliner m2 112 2010 2013 direct aftermarket replacement for oem.
The kit comes with all original electrical wiring factory connectors and a special took for easy diy replacement.
So start with connector.
Well that is it hope everyone.
Unplug def pump harness and check for def inside the harness connector.
I had a turbo actuator short out the j1939 line and cause the def level sensor not to read as it is on the j1939 line too.
Def level sensor resistance measurement engine type detroit cummins part number 04 27881 000.
Freightliner m2 106 112 diesel exhaust fluid level sensor a0427942000 please verify oem number before purchase.
Repair the short to circuit ground on the diesel exhaust fluid tank temperature sensor circuit between the def header electrical connector and the grey 18 pin ats electrical.
Is the resistance less that 10k ohms.
Fill the tank with def.
Freightliner service bulletin fla coe flb coe fld conventional business class.
Sensor is installed in def tank intake column.
Heavy duty diesel fuel exhaust fluid level sensor.
It is combined with def level sensor.
Measure the resistance between pin 2 and pin 3 of the def tank level temperature electrical connector harness side again.
All the above components are part of our complete def tank repair kit which is available here.
The gasket of the new level sensor should be lubricated with a thin layer of def compatible lubricant such as parker super o lube or any silicone based lubricant and then screwed into place until the bottom lip of the sensor is touching the top of the head unit.
