P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2) P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2) P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2) P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2) P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2) P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1) P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1) P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1) P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I) P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I) P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3) P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3) P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3) P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3) P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3) P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3) P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2) P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2) P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2) P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2) P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1) P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1) P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1) P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I) P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1) P0804 is the highest OBD-II trouble code. Hope thats help (remember comment and rated this). Must be clipped and/or bolted back to their original positions onĮngine or body to prevent mechanical damage to wiring. Connect O2S sensor wire connector to mainģ. DO NOT add any additionalĪnti-seize compound to threads of a new oxygen sensor.ġ. With anti-seize compound to aid in removal. Threads of new oxygen sensors are factory coated If equipped, disconnect sensor wire harnessĬAUTION: When disconnecting sensor electricalĬonnector, do not pull directly on wire going into sensor.Ĥ. Disconnect O2S pigtail harness from mainģ. ALLOWĮNGINE TO COOL BEFORE REMOVING OXYGEN SENSOR.Ģ. WARNING: THE EXHAUST MANIFOLD, EXHAUST PIPES ANDĬATALYTIC CONVERTER(S) BECOME VERY HOT DURING ENGINE OPERATION. Sensor electrical connector, or attempt any soldering of the sensor Never apply any type of grease to the oxygen

12–volt feed circuit for the sensor heating.

Grand Cherokee oxygen sensor locations for 4.0įour wires (circuits) are used on each O2 sensor: SOURCE: Where Are The sensor Banks On The 2004 GC

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