Fan 3 Performance/Stuck Off
Cooling fan 3 is commanded on but does not produce the expected airflow. Mechanical seizure, broken motor, or relay failure.
Affected components
- Cooling fan 3
- Fan relay 3
- Ecm
Common causes
- High likelihood: Fan motor seized or burned out
- Medium likelihood: Fan relay contacts oxidised
- Low likelihood: Carbon or debris buildup preventing free movement
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.