LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2000 >> LS1 Standard >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Control Units
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Units

CONTROL UNITS

Component Component Location
Body Control Module (BCM) Mounted to top of glove box. See Figure .
Cooling Fan Control Unit Near battery.
Cruise Control Module Attached to frame rail, near brake booster.
Electronic Brake Traction Control Module (EBTCM) At left rear of engine compartment.
Electronic Ignition (EI) Module (2.2L) On top of engine, attached to ignition coil housing. See Figure .
Electronic Ignition (EI) Module (1, 3, 5 Coil) (3.0L) Under right side of upper intake manifold runner. See Figure .
Electronic Ignition (EI) Module (2, 4, 6 Coil) (3.0L) Under left side of upper intake manifold runner. See Figure .
Engine Control Module (ECM) (3.0L) On top right rear of engine. See Figure .
Powertrain Control Module (PCM) (2.2L) Behind passenger side air bag. See Figure .
Sensing & Diagnostic Module (SDM) Under rear of floor console.
Transaxle Control Module (TCM) (3.0L) At right rear corner of engine compartment, behind strut tower.
Vehicle Speed Signal Conditioner Module (2.2L) Behind left side of dash, above hood release.