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 P0581 To P0643
- P0581-Speed Control Switch 1 Circuit High
- P0582-Speed Control Vacuum Control Circuit
- P0585-Speed Control Switch 1/2 Correlation
- P0586-Speed Control Vent Control Circuit
- P0591-Speed Control Switch 2 Performance
- P0592-Speed Control Switch 2 Circuit Low
- P0593-Speed Control Switch 2 Circuit High
- P0594-Speed Control Servo Power Relay Circuit
- P0600-Serial Communication Link
- P0601-Internal Memory Checksum Invalid
- P0606-Internal ECM Processor
- P060B-Etc A/D Ground Performance
- P060D-Etc Level 2 App Performance
- P060E-Etc Level 2 TPS Performance
- P060F-Etc Level 2 ECT Performance
- P061A-Etc Level 2 Torque Performance
- P061C-Etc Level 2 Rpm Performance
- P0622-Generator Field Control Circuit
- P0627-Fuel Pump Relay Circuit
- P062C-Etc Level 2 Mph Performance
- P0630-VIN Not Programmed In Pcm
- P0632-Odometer Not Programmed In Pcm
- P0633-Skim Secret Key Not Stored In Pcm
- P063A-Generator Voltage Sense Circuit
- P0642-Sensor Reference Voltage 1 Circuit Low
- P0643-Sensor Reference Voltage 1 Circuit High
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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