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.
2011 Volvo XC90 R-Design, FWDFACTORY OEM SERVICE PROCEDURE
Electrical Systems - System Overview
- Generator (Gen) (2005-2014)
- Global Positioning System Module (GPS) (2007-2014)
- Headlamp Washer (2003-2014)
- Headlight Control Module (HCM) (2007-2014)
- Immobilizer (2003-2004)
- Immobilizer (2005-2014)
- Infotainment Control Module (ICM) (2003-2006)
- Infotainment Control Module
- Integrated Audio Module (IAM) (2007-2014)
- Interior (2003-2014)
- Lighting (2003-2014)
- Lin - Local Interconnect Network (2003-2014)
- MD Module (Mp1) And Cd Module (Mp2) (2003-2006)
- Most Network (2003-2006)
- Most Network (2009-2014)
- Most Network (2007-2008)
- Multimedia Module (Mmm) (2003-2006)
- Multimedia Module (Mmm) (2007-2014)
- Overview Brake System (2003-2014)
- Parking Assistance Camera (PAC) (2007-2014)
- Phone Module (PHM) (2006-2014)
- Phone Module (PHM) (2003-2005)
- Power Seat Module (2003-2004)
- Power Seat Module (PSM) (2005-2014)
- Rear Electronic Module (Rem) (2003-2004)
- Design
- Inclination Sensor Module (Ism)
- Headlamp Range Adjustment Position Sensors (Bi-Xenon)
- Fuel Level
- Fuel Level (Bi-Fuel)
- Shut-Off Valve (Bi-Fuel)
- Rear Fog Lamp
- Back-Up Lamp
- Brake Light
- High Level Stop Lamp
- Rear Demist
- Cargo Compartment Lighting
- Rear 12 V Socket
- Parking Assistance (Applies Only To The XC90 2003-2004)
- Diagnostic Functions
- Downloading Software And Replacing The Control Module
- Function
- System Overview
- Design
- Rear Electronic Module (Rem) (2005-2014)
- Design
- Inclination Sensor Module (Ism) (XC90 Structure Week -201127)
- Inclination Sensor Module Alarm (BBS-Is) (XC90 Structure Week 201128-)
- Siren (BBS) (XC90 Structure Week 201128-)
- Headlamp Range Adjustment Position Sensors (Bi-Xenon)
- Fuel Level (Bi-Fuel)
- Shut-Off Valve (Bi-Fuel)
- Rear Fog Lamp
- Rear Parking Lamps/License Plate Lighting
- Back-Up Lamp
- Brake Light
- High Level Stop Lamp
- Rear Demist
- Cargo Compartment Lighting
- Rear 12V Socket
- Parking Assistance System (Optional Extra)
- Tow Hitch (Optional Extra)
- Rear Window Lift Mechanisms
- Diagnostic Functions
- Notes
- Diagnostic Trouble Codes (DTCS)
- Reading And Erasing Diagnostic Trouble Codes (DTCS)
- Reading Off The Control Module Identification
- Reading Off Extended Diagnostic Trouble Code (DTC) Information
- Reading Off The Parameter Values
- Activating Components And Functions
- Description Of Frozen Values, Rear Electrical Module
- Downloading Software And Replacing The Control Module
- Function
- Battery Voltage
- Fuel Level (Bi-Fuel)
- Shut-Off Valve (Bi-Fuel)
- Rear Fog Lamp
- Rear Parking Lamps/License Plate Lighting
- Back-Up Lamp
- Brake Light
- High Level Stop Lamp
- Rear Demist
- Cargo Compartment Lighting)
- Rear 12V Socket
- Parking Assistance System (Optional Extra)
- Tow Hitch (Optional Extra)
- Rear Window Lift Mechanisms
- System Overview
- Design
- Rear Seat Entertainment System (RSE), Generation 3.1/3.2 (2005-2006)
- Rear Seat Entertainment System (RSE), Generation 3.1/3.2 (Executive; Premier; 2004)
- Rear Seat Entertainment System (RSE), Generation 4.1 (2006-2007)
- Rear Seat Entertainment System (RSE), Generation 4.2 (2007-2008)
- Rear Seat Entertainment System (RSE), Generation 4.3 (2009-2014)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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