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Home >> Jeep >> 2014 >> Cherokee Sport, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.4L - DTCS B104D To P0501 >> Diagnosis And Testing >> P0037-O2 Sensor 1/2 Heater Circuit Low >> When Monitored

When Monitored

With the engine running, battery voltage between 10.5 and 15.75 volts, ASD Relay powered on, and DTC P0038 is not active.