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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (6.7L Diesel - DTCS P2000 To U1601 - 2500 & 3500) >> Diagnosis and Testing >> P21B3-Closed Loop NOX Absorber Control At Limit - Too High >> When Monitored:

When Monitored:

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Must be in DeNOx mode and must have initiated closed loop control fueling for three seconds.