P28C4
Clutch A Motor Phase U-V-W Circuit Low
P28C4 is an OBD-II diagnostic trouble code meaning: Clutch A Motor Phase U-V-W Circuit Low. Common causes: open or short circuit in the clutch motor circuit, clutch motor malfunction. Estimated repair cost: $56–167.
Symptoms
- Gear shifting problems
- Jerking when starting off
- Check Engine Light Is On
- The car may go into emergency mode
- Reduced acceleration dynamics
Causes
- Open or short circuit in the clutch motor circuit
- Clutch motor malfunction
- Connector problems or contact corrosion
- Clutch control module malfunction
- Circuit power problems
How to Fix
- Check the integrity of wiring and connectors
- Measure the resistance of the clutch motor windings
- Check the voltage on the motor phases
- Scan the control module for errors
- If necessary, replace the clutch motor or repair the wiring
Related codes
Error P28C4 by Vehicle Brand
FAQ
What does the P28C4 code mean?
P28C4 is an OBD-II diagnostic trouble code that indicates: Clutch A Motor Phase U-V-W Circuit Low
What causes a P28C4 error code?
The most common causes of P28C4 include: Open or short circuit in the clutch motor circuit; Clutch motor malfunction; Connector problems or contact corrosion; Clutch control module malfunction.
How do I fix a P28C4 diagnostic trouble code?
To fix P28C4: Check the integrity of wiring and connectors. Measure the resistance of the clutch motor windings. Check the voltage on the motor phases. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28C4?
Limited driving only, diagnose soon
How much does it cost to fix P28C4?
The estimated repair cost for P28C4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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