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Home >> Jeep >> 2014 >> Cherokee Trailhawk, 3.2L Eng VIN S >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS P0157 To P0480 >> Diagnosis And Testing >> P0157-O2 Sensor 2/2 Circuit Low >> When Monitored

When Monitored

Engine running for less than 30 seconds and the O2 Sensor Heater Temperature is less than 251°C (484°F) with battery voltage greater 10.99 Volts.