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Control Units

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
CONTROL UNITS LOCATION

Component Location
Blower Motor Control Processor (W/ Auto A/C) Behind right side of dash, in HVAC module. See Figure .
Body Control Module (BCM) Behind left side of dash, left of steering column.
Cruise Control Module (CCM) Front of left strut tower.
Electronic Brake Control Module (EBCM) At left side of engine compartment, near strut tower.
Heated Seat Control Module (Driver) Below driver's seat.
Heated Seat Control Module (Front Passenger) Below right front seat.
Ignition Control Module (ICM) (3.1L VIN J) Top right side of engine. See Figure .
Ignition Control Module (ICM) (3.8L VIN K) Top front of engine.
Ignition Control Module (ICM) (3.8L VIN 1) Top front of engine.
Inflatable Restraint Sensing & Diagnostic Module (SDM) Below carpet, under right front seat.
Powertrain Control Module (PCM) Left front side of engine compartment, in air cleaner assembly.
Radio Antenna Module On rear window header panel, above headliner.
Remote Control Door Lock Receiver (RCDLR) Behind instrument cluster.
Sun Roof Module (Express Open) Center rear of sun roof.
Vehicle Communication Interface Module (VCIM) On rear of left rear wheelhouse.