P2C42

Fan 4 Performance/Stuck Off

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
Increased coolant temperature
Check Engine Light Is On
Reduced engine performance
Fan noise or lack of operation

Causes

Fan motor malfunction
Problems with wiring or connectors
Fan relay failure
Engine control unit (ECU) malfunction
Mechanical fan lock

How to Fix

Check the fan motor for operation
Inspect wiring and connectors for damage
Check fan relay
Diagnose the engine control unit (ECU)
Remove mechanical obstacles to the fan

Related codes

P2C41 P2C43 P0480