RAM P1E1C: Reductant System Wake Up Circuit High
Is your scanner showing RAM P1E1C?
No worries. We'll show you what it means and how to deal with it.
RAM P1E1C: Reductant System Wake Up Circuit High
OVERVIEWWhat Does The RAM P1E1C Code Mean?
The Diesel Exhaust Fluid (DEF) Dosing Control Unit is used to control the operation and monitoring of the Diesel Exhaust Fluid system. The DEF Dosing Control Unit is the central control for the aftertreatment diesel exhaust fluid dosing system, and handles the tank level sensing, tank temperature sensing, line heating, and tank heating. The DEF Dosing Control Unit shares information with the Powertrain Control Module (PCM) over the J1939 Data Link. The PCM will illuminate the MIL light after the diagnostics runs and fails for two consecutive trips. The PCM will turn off the MIL light when the monitor runs and passes in three consecutive key cycles.
What Are The Potential Causes Of The RAM P1E1C Code?
- DCU wake up signal shorted to voltage
- DCU wake up signal open/high resistance
- DEF dosing control unit
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> 19 20 21 22 23 Dodge Ram 2500 3500 Exhaust Fluid Dosing Control Unit DEF Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Testing and Inspection – 2015 RAM 3500 CAB CHASSIS
