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 RAM2023DURANGO SXT, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 20 (5.7L - DTCS P0122 TO P0174)DTC TROUBLESHOOTINGP0135-O2 SENSOR 1/1 HEATER PERFORMANCESET CONDITION
2023 Dodge and Ram Durango SXT, AWD
Set Condition
2023 Dodge and Ram Durango SXT, AWDSECTION Set Condition
WARNING: This page is about a different variant/trim than selected.
- The Powertrain Control Module (PCM) detects no temperature change in the O2 Sensor Heater element when the heater circuit is active. The heater temperature is obtained by measuring the heater resistance and calculating the heater temperature.
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.