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2023
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Cherokee Altitude LUX
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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 C0572 To P0128
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DTC Troubleshooting
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P0038-O2 Sensor 1/2 Heater Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects an open (heater resistance 40 ohms or more) in the Oxygen Sensor 1/2 heater control circuit for at least 2.16 seconds.