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Home >> Buick >> 1999 >> Park Avenue V6-3.8L VIN K >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Description and Operation >> SBM Input/Output Information >> Retained Accessory Power
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Retained Accessory Power

The SBM provides a Retained Accessory Power (RAP) function. The RAP function allows certain vehicle systems to operate after the vehicle ignition is switched off. The RAP function is also known as a delayed accessory bus.
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