Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1999 Saab 9-3 Base, 2D Hatchback, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS
| Component | Component Location |
|---|---|
| ABS Control Module | In brake unit, behind battery. See Figure . |
| ACC Control Module | Under radio. See Figure . |
| Convertible Folding Top Control Module | Under left rear seat speaker. See Figure . |
| Cruise Control Module | At right side of engine compartment, below windshield. See Figure . |
| DICE Control Module | Behind left side of dash, above interior relay block. See Figure . |
| Driver's Memory Seat Control Module | Under driver's seat cushion. See Figure . |
| Front Lights Filament Monitor | In underhood fuse/relay block. See Figure . |
| Glow Plug Control Module | On right front strut tower. |
| Ignition Discharge Module | On valve cover. |
| Motronic Control Module | Behind right kick panel. See Figure . |
| SRS/Air Bag Control Module | Under floor console, behind handbrake. See Figure . |
| TCM Control Module | Behind right kick panel. See Figure . |
| TRIONIC Control Module | Behind right kick panel. See Figure . |
| TRIONIC OBD II Control Module | Behind right kick panel. See Figure . |
| TWICE Control Module | Under driver's seat. See Figure . |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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