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Jeep
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2015
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Grand Cherokee Laredo, RWD
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P000A To P0159
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DTC Troubleshooting
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P0152-O2 Sensor 2/1 Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the 2/1 Oxygen Sensor voltage is greater than the maximum acceptable value for a specific amount of time, based on O2 Sensor heater temperature.