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Control Units

CONTROL UNITS

Component Component Location
Automatic Transfer Case Control Module (ATCCM) (Pickups) Behind center of dash, to the left of the ashtray.
Automatic Transfer Case Control Module (ATCCM) (Except Pickups) Behind right front kick panel.
Cruise Control Module On left side of firewall.
Electrohydraulic Control Unit (ECU) On left front inner fender.
Electronic Brake Control Module (EBCM) On left front inner fender, part of electrohydraulic control unit. See Figure.
Electronic Climate Control (ECC) Module (HVAC Controller W/ Auto A/C) Center of dash, below radio.
Electronic Ignition Control Module (EICM) (2.2L VIN 4) On right side of engine, near camshaft position sensor. Part of electronic ignition coil & assembly. See Figure.
Electronic Ignition Control Module (EICM) (4.3L VIN W, X) On top right side of engine. Part of electronic ignition coil & assembly.
Electronic Shift Transfer Case Control Module (ESTCCM) Behind center of dash.
HVAC Controller (W/ Man A/C) Under center of dash.
Inflatable Restraint Sensing & Diagnostic Module (SDM) Under console & carpet, between front seats.
Left Front Heated Seat Heater Module Under left front seat.
Powertrain Control Module (PCM) (2.2L VIN 4) On right front of engine compartment.
Remote Audio Player Under front of floor console.
Remote Control Door Lock Receiver Behind lower left side of dash.
Remote Function Actuator (RFA) Module Behind left side of dash.
Right Front Heated Seat Heater Module Under right front seat.
Sun Roof Express Module Overhead, between front seats.
Truck Body Control (TBC) Module Behind dash, mounted on heater.
Vehicle Control Module (VCM) (4.3L VIN W, X) On right front of engine compartment.
Windshield Wiper Pulse Control Module On center of firewall.