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 MANUALSJEEP2013WRANGLER SPORT, AUTOMATIC TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 83 (REAR DRIVELINE MODULE)DIAGNOSIS AND TESTINGREAR DRIVELINE MODULE OPERATION
2013 Jeep Wrangler Sport, Automatic Trans
Rear Driveline Module Operation
2013 Jeep Wrangler Sport, Automatic TransSECTION Rear Driveline Module Operation
WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Driveline module operation requires relatively straight-forward diagnosis. Refer to the following chart:
| CONDITION | POSSIBLE CAUSES | CORRECTION |
|---|---|---|
| No AWD in forward or reverse directions, propeller shaft turning | 1. Check Drivetrain Control Module for DTC's. | 1. Review Drivetrain Control Module diagnostic service information |
| 2. Power Transfer Unit (PTU) failure | 2. Replace the PTU assembly | |
| No AWD in forward or reverse directions, propeller shaft not turning | 1. Check Drivetrain Control Module for DTC's. | 1. Review Drivetrain Control Module diagnostic service information |
| 2. Differential, Rear Axle component failure. | 2. Diagnose and repair or replace as necessary. | |
| Vibration at all speeds, continuous torque transfer | 1. Mis-matched tires, worn tires on front axle. | 1. Replace worn or incorrect (mis-matched) tires with same make and size |
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.