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B0181 Body

Front Blower Motor Circuit Low

The HVAC control module has detected low voltage or a short to ground in the front blower motor circuit. The blower may run too slow or not at all.

Affected components

  • Front blower motor
  • Blower resistor or module
  • Hvac control module

Common causes

  • High likelihood: Blower motor worn or seized
  • Medium likelihood: Blower resistor or power module failed
  • Low likelihood: Wiring shorted to ground

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.

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