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Home >> Chrysler >> 2014 >> 200 S >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0155 To P0455 >> Diagnosis And Testing >> P0155-O2 Sensor 2/1 Heater Performance >> When Monitored

When Monitored

Engine running and heater duty cycle greater than 0%. Battery voltage greater than 11.0 Volts.