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Home › Jeep › 2010 › Compass Limited, EDG, Automatic CVT › Repair and Diagnosis › Engine Performance › System › Gas - DTCS P000A To P0121 › P0031-O2 Sensor 1/1 Heater Circuit Low › Monitor Conditions

Monitor Conditions

When Monitored:
With the engine running and battery voltage greater than 10.4 volts.