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B0305 Body

HVAC Sun Load Sensor Circuit

A fault has been detected in the sun load sensor circuit used by automatic climate control to compensate for solar gain.

Affected components

  • Sun load sensor
  • Hvac control module

Common causes

  • High likelihood: Sun load sensor failure
  • Medium likelihood: Open wire in dashboard

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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