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B0330: HVAC Rear Blower Motor Circuit
Standardized SAE J2012 code · B03xx codes
What does B0330 mean?
The HVAC controller reports a fault in the rear blower motor circuit, used in vehicles with rear climate zone.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
- High Rear blower resistor failed
- Medium Rear blower motor worn
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of B0330 on the same make and model first.
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