P2B30

Fan 1 Stuck On

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Cooling fan runs constantly
Increased fuel consumption
Low battery
Engine overheating (in rare cases)
Hot air from vents

Causes

Stuck fan relay
Short circuit in control circuit
Engine control unit malfunction
Problems with the coolant temperature sensor
Fan mechanical failure

How to Fix

Check fan relay
Inspect the control circuit for short circuit
Check the operation of the coolant temperature sensor
Test the fan itself
If necessary, replace faulty components

Related codes

P2B31 P0480 P0481