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.
General Information
2009 Volvo XC70 BaseSECTION General Information
The central locking system is a distributed system. Those parts which are included in the system are:
- central electronic module (CEM)
- driver door module (DDM)
- passenger door module (PDM)
- right rear door module (RDM)
- left rear door module (LDM)
- power operated tailgate module (POT)
- driver information module (DIM)
- phone module (PHM)
- infotainment control module (ICM)
- switch for valet locking
- switch for opening the fuel tank filler cover (on the light switch module (LSM))
- switch for unlocking tailgate (on the light switch module (LSM))
- lock units in doors
- lock motor at the fuel tank filler cover
- lock motor for the tailgate
- Remote Receiver Module (RRX) (Remote Keyless Entry (RKE) for model year 2008-2009 on the Japanese market)
- supplemental restraint system control module (SRS).
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.