B0194

Front Blower Motor Speed Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Heater fan does not work
The fan only runs at one speed
Unstable fan operation

Causes

Open or short circuit in wiring harness
Faulty fan speed sensor
Problems with the fan control unit
Faulty heater fan

How to Fix

Check wiring harness for open or short circuit
Check fan speed sensor
Check the fan control unit
Replace the heater fan if necessary

Related codes