B0194
Front Blower Motor Speed Circuit Range/Performance
B0194 is an OBD-II diagnostic trouble code meaning: Front Blower Motor Speed Circuit Range/Performance. Common causes: open or short circuit in wiring harness, faulty fan speed sensor. Estimated repair cost: $56–167.
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
Error B0194 by Vehicle Brand
FAQ
What does the B0194 code mean?
B0194 is an OBD-II diagnostic trouble code that indicates: Front Blower Motor Speed Circuit Range/Performance
What causes a B0194 error code?
The most common causes of B0194 include: Open or short circuit in wiring harness; Faulty fan speed sensor; Problems with the fan control unit; Faulty heater fan.
How do I fix a B0194 diagnostic trouble code?
To fix B0194: Check wiring harness for open or short circuit. Check fan speed sensor. Check the fan control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0194?
Limited driving only, diagnose soon
How much does it cost to fix B0194?
The estimated repair cost for B0194 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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