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Home › Jeep › 2024 › Gladiator Nighthawk, Part Time T/Case Control, Automatic Trans › Repair and Diagnosis › Engine Performance › System › 3.6L (GPEC 5) - DTCS P2271 To P257F › DTC Troubleshooting › P2273 O2 Sensor 2/2 Signal Biased Rich › Set Condition

Set Condition

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