Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2024DURANGO SRT HELLCAT PLUSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 43 (3.6L - DTCS P2135 TO P2271)DTC TROUBLESHOOTINGP2271 O2 SENSOR 1/2 SIGNAL BIASED RICHSET CONDITION
2024 Dodge and Ram Durango SRT Hellcat Plus
Set Condition
2024 Dodge and Ram Durango SRT Hellcat PlusSECTION Set Condition
WARNING: This page is about a different variant/trim than selected.
- The PCM detects that the Downstream O2 Sensor does not transition from a rich to lean condition within a specific time during a DFSO event.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.