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 MANUALSJEEP2009PATRIOT LIMITED, EDG, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 ((ALL WHEEL DRIVE (AWD) MODULE - ELECTRICAL DIAGNOSTICS))STANDARD PROCEDUREAWD CONTROL MODULE VERIFICATION TESTDIAGNOSTIC TEST
2009 Jeep Patriot Limited, EDG, Standard
Diagnostic Test
2009 Jeep Patriot Limited, EDG, StandardSECTION Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- AWD CONTROL MODULE VERIFICATION TEST
- Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
- With the scan tool, select Clear Stored DTCs.
- Make sure that all accessories are turned off and that the battery is fully charged.
- Test drive the vehicle and verify proper operation.
- With the scan tool, select View DTCs in the AWD Control Module.
Are there any DTCs present in the AWD Control Module?
Yes
- Perform the appropriate diagnostic test. See DTC-Based Diagnostics/MODULE, All Wheel Drive (AWD) - Diagnosis and Testing .
No
- Repair is complete.
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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.