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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 200 (DTCS P0016 To P0128, Intermittent Condition, Checking Exhaust System, Temperature Sensors, Power & Ground Circuits) >> P0031-O2 Sensor 1/1 Heater Circuit Low >> Monitor Conditions

Monitor Conditions

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. When Monitored: 

    Battery voltage above 10.6 volts, ASD is powered up, and O2 heater is powered.

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