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Re: 2014 M2 Freightliner DEF pressure problems
Posted to HD/Fleet Forum on 1/13/2016 12 Replies

Now I have a 3559 code: Aftertreatment Diesel Exhaust Fluid Dosing Unit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the aftertreatment diesel exhaust fluid dosing unit.

Circuit Description

The aftertreatment diesel exhau... Login to read more.

12 Replies Received (View Replies)