Def Tank Heater Control Valve

To replace damaged connector terminals please order pigtail replacement p n.

Def tank heater control valve. Emissions control components 08 electrical 12 engine systems 18 scr after. The fill level valve is designed to prevent overfilling the reductant tank when using ford approved def bottles. With the scan tool hooked up see if code p20b9 def supply line heater circuit high input is now active after 15 seconds. The reductant tank heater heats the def to prevent the fluid from freezing.

If this happens then the wiring def control unit module and pcm are good. For this code the easiest thing to do unplug the def supply line heater connector. If the engine control module pcm detects the reductant tank heater is not operating properly it will set code p20b2. The most likely problem is the def supply line heater.

Powertrain control module pcm failure symptoms. Sender heater location def filler neck connection fill level valve tank vent to atmosphere tank vent to atmosphere the def filler neck connection incorporates a flapper valve to prevent spit back when filling the tank. Connector def tank heater valve 2 pk part of kit txt1268702.