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2023
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Grand Cherokee Altitude, AWD
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Repair and Diagnosis
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External Pages
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Different variant/trim
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Section 39 (2.0L - DTCS P0004 To P0087)
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DTC Troubleshooting
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P0037-O2 Sensor 1/2 Heater Circuit Low
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Set Condition
Set Condition
WARNING:
This page is about a different variant/trim than selected.
The PCM detects that the O2 Sensor heater circuit resistance is below approximately 2.0 Ohms.