B0197
Front Blower Motor Speed Circuit Open
B0197 is an OBD-II diagnostic trouble code meaning: Front Blower Motor Speed Circuit Open. Common causes: open or short circuit in wiring harness, fan resistor failure. Estimated repair cost: $33–167.
Symptoms
- Heater fan does not turn on
- The fan only runs at maximum speed
- No fan speed adjustment
Causes
- Open or short circuit in wiring harness
- Fan resistor failure
- Fan relay problems
- Fan motor failure
- Malfunction of the climate control unit
How to Fix
- Check the fan circuit fuse
- Inspect the wiring harness for damage
- Check the resistance of the fan resistor
- Check fan relay operation
- Test the fan motor
- Check signals from the control unit
Related codes
Error B0197 by Vehicle Brand
FAQ
What does the B0197 code mean?
B0197 is an OBD-II diagnostic trouble code that indicates: Front Blower Motor Speed Circuit Open
What causes a B0197 error code?
The most common causes of B0197 include: Open or short circuit in wiring harness; Fan resistor failure; Fan relay problems; Fan motor failure.
How do I fix a B0197 diagnostic trouble code?
To fix B0197: Check the fan circuit fuse. Inspect the wiring harness for damage. Check the resistance of the fan resistor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0197?
Limited driving only, diagnose soon
How much does it cost to fix B0197?
The estimated repair cost for B0197 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat