P2B31

Fan 2 Performance/Stuck Off

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Engine overheating
The fan does not turn on at high temperatures
Increased fuel consumption
Reduced engine power
Check Engine light comes on

Causes

Fan motor malfunction
Damage to wiring or connectors
Faulty fan relay
Problems with the engine control unit
Mechanical fan lock

How to Fix

Check fan operation manually
Inspect wiring and connectors for damage
Check fan relay
Replace the faulty fan if necessary
Check and update ECU firmware if necessary

Related codes

P2B30 P2B32 P0480