LEMON Manuals
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2023
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Gladiator Freedom, Part Time T/Case Control
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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3.6L (GPEC 2A) - DTCS P2128 To P2314
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DTC Troubleshooting
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P2271-O2 Sensor 1/2 Signal Biased Rich
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Set Condition
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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.