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Home >> Volvo >> 2008 >> XC70 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) - Specifications, Other >> Engine Control Module (ECM) (B6304T2/T4 2009-2012) >> Description Of Parameters >> Parameter, Status >> Brake Light Switch

Brake Light Switch

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

Activated = brake light switch actuated.

Not activated = stop lamp switch unaffected.