lemon-mirror
:
Home
>>
Jeep
>>
2025
>>
Compass Limited
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
2.0L - DTCS P0133 To P018C
>>
DTC Troubleshooting
>>
P0140 O2 Sensor 1/2 Signal Inactive
>>
Set Condition
Set Condition
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.