FixVault

Home › Jeep › 2024 › Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans › Repair and Diagnosis › Engine Performance › System › 3.6L (GPEC 2A) - DTCS P2173 To P2305 › DTC Troubleshooting › P2271-O2 Sensor 1/2 Signal Biased Rich › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects that the Downstream O2 Sensor does not transition from a rich to lean condition within a specific time during a DFSO event.