U0632

Lost Communication With Fan 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Engine overheating
Cooling fan does not work
Check Engine Light Is On
Reduced cooling system efficiency

Causes

Open or short circuit in the fan circuit
Fan relay fault
Fuse problems
Malfunction of the cooling fan itself
Problems with the ECU

How to Fix

Check fuses and replace if necessary
Check fan relay
Inspect the wiring harness for damage
Check the operation of the fan
Carry out ECU diagnostics

Related codes

U0631 U0633 U0634