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Jeep
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2016
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Grand Cherokee Laredo, AWD
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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 B1810 To P0135
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DTC Troubleshooting
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P0052-O2-Sensor 2/1 Heater Circuit High
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
Battery voltage between 10.4 and 15.75 volts.
During O2 Sensor heater operation.