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 MANUALSJEEP2011COMPASS LIMITED, FWD, AUTOMATIC CVTREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (2.0L & 2.4L - DTCS P000A TO P0302 - MK)DTC TROUBLESHOOTINGP0140 - O2 SENSOR 1/2 SIGNAL INACTIVEWHEN MONITORED
2011 Jeep Compass Limited, FWD, Automatic CVT
When Monitored
2011 Jeep Compass Limited, FWD, Automatic CVTSECTION When Monitored
WARNING: This page is about a different car, the 2017 Jeep Patriot and 2017 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic runs continuously when the following conditions are met:
- The non-intrusive portion of the test is enabled under the following conditions:
- With the engine running.
- Odometer above 500 miles.
- O2 Sensor 1/2 voltage is below 1.2 volts.
- If the non-intrusive portion does not pass with a calibrated time period, the intrusive test will be initiated if the following enable conditions are met:
- Vehicle speed between 32 and 112.65 km/h (20 and 70 mph).
- Engine speed between 1025 - 2500 RPM.
- Calculated engine load between 30% - 80%.
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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.