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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (3.0L Diesel - DTCS P2455-00 To U1489-00 - 1500) >> Diagnosis And Testing >> P249E-00-Closed Loop REDUCTANT Injection Control At Limit - Flow Too High >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2014 RAM 1500. 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 PCM detects that the NOx Sensor levels are higher than expected. The PCM will turn on the MIL Lamp immediately after the monitor runs and fails.

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