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 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Accessory Electronic Module (4/78)) | At right rear corner of cargo compartment. See Figure. |
| Antenna Control Module (16/110) | Rear of roof. See Figure. |
| Audio Module (16/105) | Under right front seat. See Figure. |
| Brake Control Module (BCM) (4/16) | At left rear corner of engine compartment. See Figure. |
| Cellular Telephone Hands Free Control Module (16/93) | Under right front seat or behind lower right side of dash. See Figure. |
| Cooling Fan Control Module (4/71) | At front center of engine compartment. See Figure. |
| Differential Electronic Module (4/82) | At rear differential. See Figure. |
| DSTC Activation Module (8/46) | Left side of engine compartment. See Figure. |
| Electronic Power Steering Control Module (4/99) | Left center of dash. See Figure. |
| Electronic Throttle Module (4/50) | On left side of engine. See Figure. |
| Engine Control Module (ECM) (4/46) | At right side of engine compartment, forward of strut tower. See Figure. |
| Fan Control Module (4/31) | Behind right side of dash, near blower fan. See Figure. |
| Fuel Pump Control Module (4/83) | On fuel tank. See Figure. |
| Inclination Sensor Module (7/100) | Left rear corner of cargo compartment. See Figure. |
| Multimedia Module (16/108) | Under left front seat. See Figure. |
| Parking Assistance Module (V70) (4/108) | At right rear corner of cargo compartment. See Figure. |
| Parking Assistance Module (XC90) (4/86) | At left rear corner of cargo compartment. See Figure. |
| Power Driver Seat Module (4/52) | Under driver's seat. See Figure. |
| Rain Sensor Module (V70) (7/149) | Above center of windshield, forward of rearview mirror. See Figure. |
| Rain Sensor Module (XC90) (7/149) | Above center of windshield, forward of rearview mirror. See Figure. |
| Rear Electronic Module (4/58) | At left rear corner of cargo compartment, on cargo compartment relay/fuse box. See Figure. |
| Steering Angle Sensor Module (4/68)) | On side of passenger compartment relay box. See Figure. |
| Sun Roof Control Module (4/33) | Forward of sun roof opening. See Figure. |
| Supplemental Restraint System (SRS) Control Module (4/9) | Below floor console, behind gear selector lever. See Figure. |
| Suspension Module (4/84) | Under center console. See Figure. |
| Transmission Control Module (TCM) (4/28) | At right side of engine compartment, forward of strut tower. See Figure. |
| Upper Electronic Module (4/70) | Above center of windshield. 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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