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.
2007 Jeep Commander Overland, RWDFACTORY OEM SERVICE PROCEDURE
DTCS P0645 To P1593
- P0645-A/C Clutch Relay Circuit
- P0652-Sensor Reference Voltage 2 Circuit Low
- P0653-Sensor Reference Voltage 2 Circuit High
- P0685-Auto Shutdown Relay Control Circuit
- P0688-Auto Shutdown Relay Sense Circuit Low
- P0691-Cooling Fan 1 Relay Control Circuit Low
- P0692-Cooling Fan 1 Relay Control Circuit High
- P0693-Cooling Fan 2 Relay Control Circuit Low
- P0694-Cooling Fan 2 Relay Control Circuit High
- 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
- P1411-Cylinder 1 Reactivation Control Performance
- P1414-Cylinder 4 Reactivation Control Performance
- P1416-Cylinder 6 Reactivation Control Performance
- P1417-Cylinder 7 Reactivation Control Performance
- P1501-Vehicle Speed Sensor 1/2 Correlation - Drive Wheels
- P1502-Vehicle Speed Sensor 1/2 Correlation - Non Drive Wheels
- P1521-Incorrect Engine Oil Type
- P1572-Brake Pedal Stuck On
- P1573-Brake Pedal Stuck Off
- P1593-Speed Control Switch 1 Stuck (Etc)
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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