U02AA

Lost Communication With Engine Disconnect Clutch

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Gear shifting problems
The car goes into emergency mode
Reduced acceleration dynamics
Unstable engine operation at idle

Causes

Open or short circuit in the communication circuit
Clutch release module malfunction
Module power problems
Wiring harness damage
Software error in ECU

How to Fix

Check the integrity of the wiring harness
Diagnose power supply to clutch release module
Check connector connections
Scan the system for other errors
If necessary, replace the clutch release module

Related codes

U02AB U02AC U02AD