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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) - Specifications, Other >> Engine Control Module (ECM) (B8444S; 2007-2010) >> Description Of Parameters >> Parameter, Status >> Brake Light Switch
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Brake Light Switch

The engine control module (ECM) calculates the value from the brake light switch signal.

Activated = brake light switch actuated.

Not activated = brake light switch not actuated.

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