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Jeep
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2015
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Cherokee Sport, Eng CD ED8, AWD
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS P1048 To P2138
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DTC Troubleshooting
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P1609-Internal Control Module Engine Oil Temperature Performance
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Set Condition
Set Condition
When secondary software determines that the Engine Oil Temperature is implausible for a period of time.