FixVault

Home › Jeep › 2020 › Gladiator Altitude, Automatic Trans › Repair and Diagnosis › Engine Performance › System › 3.6L - DTCS P1E27 To P2457 › 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.