B0193
Front Blower Motor Speed Circuit
B0193 is an OBD-II diagnostic trouble code meaning: Front Blower Motor Speed Circuit. Common causes: open or short circuit in wiring harness, fan relay fault. Estimated repair cost: $22–167.
Symptoms
- Heater/Air Conditioner Fan Doesn't Work
- The fan only runs at one speed
- Fan interruptions
- Burnt smell from vents
Causes
- Open or short circuit in wiring harness
- Fan relay fault
- Blown fuse
- Problems with the control unit
- Fan motor malfunction
How to Fix
- Check fuses associated with the fan
- Inspect the wiring harness for damage
- Check fan relay operation
- Test the fan motor
- Check signals from the control unit
Related codes
Error B0193 by Vehicle Brand
FAQ
What does the B0193 code mean?
B0193 is an OBD-II diagnostic trouble code that indicates: Front Blower Motor Speed Circuit
What causes a B0193 error code?
The most common causes of B0193 include: Open or short circuit in wiring harness; Fan relay fault; Blown fuse; Problems with the control unit.
How do I fix a B0193 diagnostic trouble code?
To fix B0193: Check fuses associated with the fan. Inspect the wiring harness for damage. Check fan relay operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0193?
Limited driving only, diagnose soon
How much does it cost to fix B0193?
The estimated repair cost for B0193 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat