FixVault

Home › Jeep › 2023 › Cherokee Altitude LUX › Repair and Diagnosis › Engine Performance › System › 2.4L - DTCS P257F To U0403 › DTC Troubleshooting › P2628-O2 Sensor 1/1 Pump Cell Current Trim Circuit High › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects a short to Battery voltage on the O2 1/1 Positive Current Control circuit or the O2 1/1 Pump Cell Current Trim circuit.