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 MANUALSJEEP2009COMMANDER LIMITED, 5.7 T, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSWIRELESS IGNITION MODULE (WIN) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB2224-SKREEM INTERNAL (WIN INTERNAL)DIAGNOSTIC TEST
2009 Jeep Commander Limited, 5.7 T, 4WD
Diagnostic Test
2009 Jeep Commander Limited, 5.7 T, 4WDSECTION Diagnostic Test
- WIRELESS IGNITION NODE NOTE: Before continuing review and check the following conditions.
- Review the repair history of the vehicle. Make sure the vehicle has the correct PCM and WIN installed. Check the part numbers.
- Using a scan tool, make sure the PCM and WIN have been programmed correctly. Compare the PCM VIN to the WIN VIN and ensure the two VINS match.
- Turn the ignition on.
- With the scan tool, clear DTCs.
- Perform 5 ignition cycles, leaving the ignition switch on for a minimum of 90 seconds per cycle.
- Using the scan tool, read DTCs.
Does the DTC reset?
Yes
- Replace and program the Wireless Ignition Node in accordance with the Service Information.NOTE: If this vehicle is equipped with a Steering Column Lock Module, it must be replaced along with the WIN.
- Perform the WIN VERIFICATION TEST. See DTC-Based Diagnostics/NODE, Wireless Ignition (WIN) - Standard Procedure
No
- The DTC is not active at this time. Test complete.
- Replace and program the Wireless Ignition Node in accordance with the Service Information.
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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.