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Grand Cherokee Altitude, AWD
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Different variant/trim
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Section 41 (2.0L - DTCS P0131 To P0204)
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DTC Troubleshooting
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P0140-O2 Sensor 1/2 Signal Inactive
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Set Condition
Set Condition
WARNING:
This page is about a different variant/trim than selected.
The Powertrain Control Module (PCM) detects that the Oxygen Sensor 1/2 signal switches from lean to rich less than 16 times within 20 seconds during monitoring.