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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 416 (5.7L CNG - DTCS P000B To P0203 - 2500 Hd) >> Diagnosis And Testing >> P0138-O2 Sensor 1/2 Circuit High >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Continuously with the engine running, no O2 Sensor Heater DTCs present, Oxygen Sensor 1/2 Heater temperature within a specific range and battery voltage greater than 10.4 volts.