U067D

Lost Communication With Fan 4

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–67 (est.)

Symptoms

Engine overheating
Cooling fan not working
Check Engine Light Illuminates
Reduced cooling system efficiency

Causes

Open or short circuit in the fan circuit
Fan motor malfunction
Relay or fuse problems
Control unit malfunction
Poor contact in connectors

How to Fix

Check fan fuse and relay
Inspect the wiring harness for damage
Check the operation of the fan motor
Scan the control unit for errors
Check and clean connector contacts

Related codes

U067C U067E U0100