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 MANUALSJEEP2010LIBERTY SPORT, 4WD, PART TIMEREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMGAS - DTCS P0643 TO P2098
2010 Jeep Liberty Sport, 4WD, Part Time
Gas - DTCS P0643 To P2098
2010 Jeep Liberty Sport, 4WD, Part TimeSECTION Gas - DTCS P0643 To P2098
- P0643-Primary 5-Volt Supply Circuit High
- P0645-A/C Clutch Control Circuit
- P0652-Sensor Reference Voltage 2 Circuit Low
- P0653-Sensor Reference Voltage 2 Circuit High
- P0685-Auto Shutdown Control Circuit
- P0688-Auto Shutdown Sense Circuit Low
- P0700-Transmission Control System (Mil Request)
- P0703-Brake Switch 2 Performance
- P0850-Park/Neutral Switch Performance
- P1115-General Temperature Rationality
- P1128-Closed Loop Fueling Not Achieved - Bank 1
- P1129-Closed Loop Fueling Not Achieved - Bank 2
- P1404-EGR Position Sensor Rationality Closed
- P150D-Cold Start Rough Idle - Open Throttle Start
- P1572-Brake Pedal Stuck On
- P1573-Brake Pedal Stuck Off
- P1593-Speed Control Switch 1/2 Stuck
- P1607-Pcm Internal Shutdown Timer Rationality
- P1618-Sensor Reference Voltage 1 Circuit Erratic
- P1628-Sensor Reference Voltage 2 Circuit Erratic
- P1696-EEPROM Memory Write Denied/Invalid
- P1697-EMR (Sri) Mileage Not Stored
- P2072-Electronic Throttle Control System - Ice Blockage
- P2096-Downstream Fuel Trim System 1 Lean
- P2097-Downstream Fuel Trim System 1 Rich
- P2098-Downstream Fuel Trim System 2 Lean
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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.