CorollaFix

Radiator fan does not run: fan controller failure

Symptoms
Temperature rises in traffic; the radiator fan does not run or runs only at one speed
Likely cause
The PWM fan controller on the fan shroud fails.
Fix
Replace the fan controller. Owners report that cheaper replacement units are available.
Applies to
Cars with the 2-speed fan
Related fault codes
P0217
Confidence
medium

Sources

Related problems on this car

Similar problems on other cars

Where the parts are · Warning lights · Fault codes · Maintenance

Guidance only – confirm with a mechanic before repairs. All common problems