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.
2004 Saab 9-5 Linear, StandardFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ACC Control Module | In center of dash. |
| ADM Control Module | Integral with rearview mirror. |
| DICE Control Module | Above dashboard main relay board. |
| Ignition Discharge Module | On camshaft cover. |
| Left AHL Control Module | Behind left headlight. |
| PMM Control Module | Above glove box. |
| PSM Control Module | Under driver's seat cushion. |
| Right AHL Control Module | Behind right headlight. |
| SPA Control Module (4 Door) | On left side of luggage compartment, behind seat back. |
| SPA Control Module (5 Door) | Under lower front of luggage compartment. |
| SRS/Air Bag Control Module | Under center console, behind handbrake. |
| TC-ABS Control Module | Behind battery, integral to hydraulic unit. |
| TCM Control Module | On right side of firewall. |
| TRIONIC Control Module (OBD II) | In right rear of engine compartment. |
| TWICE Control Module | Under driver's seat. |
| Ventilation Fan Control Unit | On driver's side of heating & ventilation unit, near firewall. |
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.