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 MANUALSJEEP2023COMPASS SPORTREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESDRIVETRAIN CONTROL MODULE (DTCM) - DTCS C2006-16 TO C2100-15DTC TROUBLESHOOTINGC2080-64-TRANSFER CASE MOTOR - SIGNAL PLAUSIBILITY FAILURETECHNICAL DATA - PTU AND RDM
2023 Jeep Compass Sport
Technical Data - PTU And RDM
2023 Jeep Compass SportSECTION Technical Data - PTU And RDM
Power Transfer Unit (PTU) - The voltage values given below are taken with the ignition on and the engine not running.
| Expected typical voltage readings on the PTU motor and position sensor circuits | ||
|---|---|---|
| CIRCUITS | TYPICAL VOLTAGE WITH MOTOR CONNECTOR UNPLUGGED | TYPICAL VOLTAGE WITH MOTOR CONNECTOR PLUGGED IN |
| MOTOR (+) | Approximately 9.9 volts | Approximately 4.6 volts |
| MOTOR (-) | Approximately 1.5 volts | Approximately 4.6 volts |
| SENSOR SUPPLY | Approximately 7.5 volts | Approximately 4.0 volts |
| HALL EFFECT POSITION SENSOR SIGNALS | 0 volts for both | The position sensor voltage signals should be either approximately 1.6 volts or 5.3 volts depending on the motor position. |
| Both position sensor voltage signals should alternate between approximately 1.6v and 5.3v as the motor shaft rotates during a PTU shift between modes (2WD <-> AWD). | ||
Rear Drive Module (RDM) - The voltage values given below are taken with the ignition on and the engine not running.
| Expected typical voltage readings on the RDM motor and position sensor circuits | ||
|---|---|---|
| CIRCUITS | TYPICAL VOLTAGE WITH MOTOR CONNECTOR UNPLUGGED | TYPICAL VOLTAGE WITH MOTOR CONNECTOR PLUGGED IN |
| MOTOR (+) | Approximately 9.9 volts | Approximately 4.4 volts |
| MOTOR (-) | Approximately 1.2 volts | 0 volts |
| SENSOR SUPPLY | 0 volts | Approximately 7.5 volts |
| HALL EFFECT POSITION SENSOR SIGNALS | 0 volts for both | The position sensor voltage signals should be either approximately 1.6 volts or 5.3 volts depending on the motor position. |
| Both position sensor voltage signals should alternate between approximately 1.6v and 5.3v as the pulse width changes and the motor shaft rotates with the RDM clutch engaged. | ||
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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.