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Home >> Jeep >> 2003 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0136: 1/2 O2 Sensor Heater Circuit Malfunction >> Monitored & Set Conditions

Monitored & Set Conditions

WARNING: This page is about a different car, the 2003 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

1/2 Heated Oxygen Sensor (HO2S) heater voltage is monitored with Ignition on and battery voltage greater than 10.4 volts. DTC will set in if the state of the PCM relay control circuit, between the PCM and relay coil does not match the desired state.

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