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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 5.9L >> Diagnostic Tests >> DTC P0136: O2 Sensor 1/2 Heater Circuit Malfunction >> Monitored & Set Conditions
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Monitored & Set Conditions

1/2 Oxygen (O2) sensor heater circuit is monitored when ignition is on and battery voltage is more than 10.4 volts. DTC will set when the state of the PCM relay control circuit between the PCM and the relay coil does not match desired state.