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 MANUALSJEEP2011LIBERTY LIMITED, 4WD, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 121 (2.0L & 2.4L - DTCS P0304 TO P0615)DIAGNOSIS AND TESTINGP0591-SPEED CONTROL SWITCH 2 PERFORMANCEPOSSIBLE CAUSES
2011 Jeep Liberty Limited, 4WD, Automatic
Possible Causes
2011 Jeep Liberty Limited, 4WD, AutomaticSECTION Possible Causes
WARNING: This page is about a different car, the 2011 Jeep Patriot and 2011 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (V72) S/C SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE |
| (V72) S/C SIGNAL 2 CIRCUIT SHORTED TO GROUND |
| (V72) S/C SIGNAL 2 CIRCUIT SHORTED TO THE (V937) S/C SWITCH GROUND CIRCUIT |
| (V72) S/C SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE |
| (V937) S/C SWITCH GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| CLOCKSPRING |
| SPEED CONTROL SWITCH |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
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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.