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B0099 Body

Occupant Detection Module Internal Fault

The occupant detection module reports an internal fault detected by self-test. The module typically processes seat sensor data and reports occupancy status to the SRS module.

Affected components

  • Occupant detection module
  • Srs control module

Common causes

  • High likelihood: Occupant detection module internal fault
  • Medium likelihood: Power supply or ground fault to module

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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