P28C4

Clutch A Motor Phase U-V-W Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

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

P28C5 P28C6 P28C7