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Home >> Volvo >> 2013 >> XC70 Base, 3.2L Eng VIN 94, AWD >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition And Control Systems - Design And Function >> Automatic Start/Stop Of Engine >> Automatic Start/Stop Of Engine [2014-2016, B4204T11, TG-81SC] >> Design >> Park Brake Module (PBM)
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Park Brake Module (PBM)

The Park Brake Module (PBM) sends out signals about the vehicle's longitudinal acceleration. If the angle ahead exceeds 14% the Engine Control Module (ECM) blocks the auto stop function so that the vehicle will not start rolling forward.