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 MANUALSDODGE AND RAM20151500 SPECIAL SERVICEREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(DRIVETRAIN CONTROL MODULE (DTCM) - ELECTRICAL DIAGNOSTICS - 1500)DIAGNOSIS AND TESTINGC147B-FRONT AXLE DISCONNECT SENSOR CIRCUIT PERFORMANCEPOSSIBLE CAUSES
2015 Dodge and Ram 1500 Special Service
Possible Causes
2015 Dodge and Ram 1500 Special ServiceSECTION Possible Causes
| Possible Causes |
|---|
| (F946) FUSED IGNITION RUN/START CONTROL OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (G303) FRONT AXLE LOCK SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (G303) FRONT AXLE LOCK SIGNAL CIRCUIT OPEN |
| (G303) FRONT AXLE LOCK SIGNAL CIRCUIT SHORTED TO GROUND |
| (G304) FRONT AXLE LOCK CONTROL CIRCUIT OPEN |
| (G304) FRONT AXLE LOCK CONTROL SHORTED TO VOLTAGE |
| (G304) FRONT AXLE LOCK CONTROL CIRCUIT SHORTED TO GROUND |
| (Z908) GROUND CIRCUIT OPEN |
| (Z908) GROUND CIRCUIT SHORTED TO VOLTAGE |
| FRONT AXLE DISCONNECT (FAD) MODULE |
| DRIVE TRAIN CONTROL MODULE (DTCM) |
NOTE:
Before performing the following diagnostic test, please perform the intermittent conditions and wire harness procedure.
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.