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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 436 (6.7L Diesel - DTCS P2299 To U3017 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P249E-Closed Loop SCR REDUCTANT Injection Control At Limit - Flow Too High >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) uses the NOx Sensor 1/1 feedback along with engine operating and environmental conditions to calculate the diesel exhaust fluid dosing rate. Fault sets if the DEF Dosing Control Unit detects that the NOx Sensor levels are higher than expected. The DEF Dosing Control Unit will turn on the MIL Lamp via the PCM immediately after the monitor runs and fails. The DEF Dosing Control Unit will turn off the MIL Lamp via the PCM immediately after the monitor runs and passes.

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