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Home >> Jeep >> 2012 >> Grand Cherokee SRT-8 >> Repair and Diagnosis >> Engine Performance >> System >> 6.4L - DTCS P000B To P0197 >> Diagnosis And Testing >> P0141-O2 Sensor 1/2 Heater Performance >> When Monitored:

When Monitored:

Continuously during O2 Sensor Heater operation with battery voltage between 10.4 and 15.75 Volts and no O2 Sensor circuit DTCs present.