U0114
NetworkModule Communicationmoderate severityLost Communication with 4WD Clutch Control Module
What U0114 Means
Cannot communicate with the four-wheel drive clutch engagement module.
Symptoms
- 4WD warning light on
- AWD system inoperative
- Cannot engage 4WD
- Drivetrain vibration
Common Causes
- 4WD clutch module failure
- CAN bus wiring
- Fuse blown
- Module connector corrosion
- Module water damage
Diagnostic Steps
- Check 4WD module fuse
- Test power and ground
- Check CAN wiring
- Inspect module for water damage
- Try direct communication
Where to start: Check fuses and inspect for water damage. Module often located under vehicle.
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