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 MANUALSJEEP2009LIBERTY LIMITED, 4WD, PART TIMEREPAIR AND DIAGNOSISTRANSMISSIONTRANSFER CASEFINAL DRIVE CONTROL MODULE (FDCM) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGC2201-INTERNAL CONTROLLERDIAGNOSTIC TEST
2009 Jeep Liberty Limited, 4WD, Part Time
Diagnostic Test
2009 Jeep Liberty Limited, 4WD, Part TimeSECTION Diagnostic Test
- DTC IS ACTIVE
- Ignition on, engine not running.
- With the scan tool, read DTCs in the Final Drive Control Module.
Is the status Active for this DTC?
Yes
- Replace the Final Drive Control Module (FDCM) in accordance with the Service Information.
- Perform TRANSFER CASE VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Final Drive Control (FDCM) - Standard Procedure .
No
- Test Complete
RENDER: 1.0x
NO RELATED
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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.