Lost Communication with 4WD Clutch Control Module
2000-2000 Mazda MX-5 Miata 1.8L I4
The 2000 Mazda MX-5 Miata is equipped with a 1.8L inline-4 engine. Below you'll find detailed u0114 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
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
Repair Notes
Check fuses and inspect for water damage. Module often located under vehicle.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0114 on Other Vehicles
Common Questions
What does code U0114 mean on a 2000-2000 Mazda MX-5 Miata?
U0114 stands for "Lost Communication with 4WD Clutch Control Module". Cannot communicate with the four-wheel drive clutch engagement module.
What are the symptoms of U0114 on a Mazda MX-5 Miata?
Common symptoms of U0114 include: 4WD warning light on, AWD system inoperative, Cannot engage 4WD, Drivetrain vibration.
What causes U0114 on a 2000-2000 Mazda MX-5 Miata?
Common causes of U0114 include: 4WD clutch module failure, CAN bus wiring, Fuse blown, Module connector corrosion, Module water damage.
Last updated: March 2026