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.
System Description/Design: Notes
2009 Volvo C70 AutomaticSECTION Notes
The central locking system with keyless functionality is a distributed system. The components of the system are:
- central electronic module (CEM)
- keyless vehicle module (KVM)
- driver door module (DDM)
- passenger door module (PCM)
- driver information module (DIM)
- phone module (PHM)
- infotainment control module (ICM)
- convertible Roof Module (CRM)
- switch for valet locking
- switch for unlocking the fuel tank filler cover
- lock motor units in the doors
- lock motor at the fuel tank filler cover
- lock motor for the trunk lid/tailgate
- remote keyless entry (RKE) receiver
- supplemental restraint system module (SRS)
- indicator LED in the doors
- lockable storage compartment
- lock for ski hatch.
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.