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.
Control Units
2003 Volvo XC70SECTION Control Units
CONTROL UNITS LOCATION
| Component | Component Location |
|---|---|
| Accessory Electronic Module (V70 & XC70) | At right rear corner of cargo compartment. See Figure . |
| Accessory Electronic Module (XC90) | At right rear corner of cargo compartment. See Figure . |
| Antenna Control Module (XC90) | At right rear quarterpanel. See Figure . |
| Brake Control Module (V70 & XC70) | At left rear corner of engine compartment. See Figure . |
| Brake Control Module (XC90) | At left rear corner of engine compartment. See Figure . |
| Central Electronic Module (V70 & XC70) | Behind left side of dash, on passenger compartment relay box. See Figure . |
| Central Electronic Module (XC90) | Behind left side of dash, on passenger compartment relay box. See Figure . |
| Cooling Fan Control Module (V70 & XC70) | At front center of engine compartment. See Figure . |
| Cooling Fan Control Module (XC90) | At front center of engine compartment. See Figure . |
| Differential Electronic Module (V70 & XC70) | At rear differential. See Figure . |
| Differential Electronic Module (XC90) | At rear differential. See Figure . |
| Electronic Throttle Module | On left side of engine. See Figure . |
| Engine Control Module | At right side of engine compartment, forward of strut tower. See Figure . |
| Fan Control Module | Behind right side of dash, near blower fan. See Figure . |
| Mass Movement Sensor Control Module (Front) | At inside center of roof, behind moon roof. |
| Mass Movement Sensor Control Module (Rear) | At inside rear center of roof. |
| Multimedia Module (XC90) | Under left front seat. See Figure . |
| Parking Assistance Module (XC90) | At left rear corner of cargo compartment. |
| Power Seat Module (V70 & XC70) | Under driver's seat. See Figure . |
| Power Seat Module (XC90) | Under driver's seat. See Figure . |
| Rain Sensor Module (V70 & XC70) | Above center of windshield, forward of rearview mirror. |
| Rain Sensor Module (XC90) | Above center of windshield, forward of rearview mirror. |
| Rear Electronic Module (V70 & XC70) | At left rear corner of cargo compartment, on cargo compartment relay/fuse box. See Figure . |
| Rear Electronic Module (XC90) | At left rear corner of cargo compartment, on cargo compartment relay/fuse box. See Figure . |
| Road Traffic Information Module (V70 & XC70) | At left rear corner of cargo compartment. |
| Supplemental Restraint System Control Module (V70 & XC70) | Below floor console, behind gear selector lever. See Figure . |
| Supplemental Restraint System Control Module (XC90) | Below floor console, behind gear selector lever. See Figure . |
| Siren Control Module (V70 & XC70) | Inside front of right front fender. See Figure . |
| Siren Control Module (XC90) | Inside front of right front fender. See Figure . |
| Steering Angle Sensor Module (V70 & XC70) | On side of passenger compartment relay box. |
| Steering Angle Sensor Module (XC90) | On side of passenger compartment relay box. See Figure . |
| Sun Roof Control Module (V70 & XC70) | Forward of sun roof opening. |
| Sun Roof Control Module (XC90) | Forward of sun roof opening. |
| Transmission Control Module (V70 & XC70) | At right side of engine compartment, forward of strut tower. See Figure . |
| Transmission Control Module (XC90) | At right side of engine compartment, forward of strut tower. See Figure . |
| Upper Electronic Module (V70 & XC70) | Above center of windshield, on rearview mirror. See Figure . |
| Upper Electronic Module (XC90) | Above center of windshield, on rearview mirror. See Figure . |
| Vehicle Inclination Sensor Module (V70 & XC70) | At left rear corner of cargo compartment. See Figure . |
| Vehicle Inclination Sensor Module (XC90) | At left rear corner of cargo compartment. See Figure . |
RENDER: 1.0x
NO RELATED
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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.