Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2015
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Compass Limited, AWD, Automatic Trans
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Repair and Diagnosis
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Engine Performance
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System
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2.0L & 2.4L - DTCS P000A To P0302
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DTC Troubleshooting
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DTC P0031: -O2 Sensor 1/1 Heater Circuit Low
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When Monitored
When Monitored
With the engine running and battery voltage greater than 10.4 Volts.