HVAC Blower Motor Circuit
The HVAC controller reports a fault in the blower motor control circuit. Blower may run at incorrect speed or not at all.
Affected components
- Hvac blower motor
- Blower resistor
- Hvac control module
Common causes
- High likelihood: Blower resistor or final stage failed
- Medium likelihood: Worn blower motor brushes
- Low likelihood: Short in blower wiring
Possible symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.