B0212
Rear Blower Motor Speed Open
B0212 is an OBD-II diagnostic trouble code meaning: Rear Blower Motor Speed Open. Common causes: open or short circuit in wiring harness, faulty resistor or fan speed control module. Estimated repair cost: $22–167.
Symptoms
- Rear fan doesn't work
- The fan only runs at maximum speed
- Fan speed is not adjustable
- Rear seat heating/air conditioning may not work
Causes
- Open or short circuit in wiring harness
- Faulty resistor or fan speed control module
- Fan motor problems
- Blown fuse
- Poor contact in connectors
- Malfunction of the climate control unit
How to Fix
- Check fuses associated with the ventilation system
- Inspect the wiring harness for damage
- Check the contacts in the fan circuit connectors
- Test resistor or speed control module
- Check the operation of the fan motor
- If necessary, replace faulty components
- Reset the error code and check if it returns
Related codes
Error B0212 by Vehicle Brand
FAQ
What does the B0212 code mean?
B0212 is an OBD-II diagnostic trouble code that indicates: Rear Blower Motor Speed Open
What causes a B0212 error code?
The most common causes of B0212 include: Open or short circuit in wiring harness; Faulty resistor or fan speed control module; Fan motor problems; Blown fuse.
How do I fix a B0212 diagnostic trouble code?
To fix B0212: Check fuses associated with the ventilation system. Inspect the wiring harness for damage. Check the contacts in the fan circuit connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0212?
Limited driving only, diagnose soon
How much does it cost to fix B0212?
The estimated repair cost for B0212 is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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