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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (3.0L Diesel - DTCS P05EF-00 To P2002-00 - 1500) >> Diagnosis And Testing >> P1221-00-Excessive Cycling Of REDUCTANT Pump Inlet Defrosting >> When Monitored

When Monitored

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Ignition on, engine running, and the Selective Catalytic Reduction (SCR) system activated.