FixVault

Home › Jeep › 2020 › Compass Trailhawk › Repair and Diagnosis (Single Page) › Engine Performance › System › 2.4L - DTCS P104D To P0140 › DTC Troubleshooting › P0140-O2 Sensor 1/2 Signal Inactive › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects that the oxygen sensor signal switches from lean to rich less than 16 times within 20 seconds during monitoring.