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.
2008 Jeep Compass Limited, AWD, StandardFACTORY OEM SERVICE PROCEDURE
DTCS P0617 To P1128
- P0617-Starter Control Circuit High
- P061A-Etc Level 2 Torque Performance
- P061C-Etc Level 2 Rpm Performance
- P0622-Generator Field Control Circuit
- P0625-Generator Field Control Circuit Low
- P0626-Generator Field Control Circuit High
- P0627-Fuel Pump Control Circuit/Open
- P0628-Fuel Pump Control Circuit Low
- P0629-Fuel Pump Control Circuit High
- 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
- P0645-Ac Compressor Relay Open Circuit
- P0646-A/C Control Circuit Low
- P0647-A/C Control Circuit High
- P0652-Sensor Reference Voltage 2 Circuit Low
- P0653-Sensor Reference Voltage 2 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
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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