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 Overview: Signals
The table below covers input and output signals to and from the Convertible Roof Module (CRM). The signal type is split into directly connected signals and CAN communication. The illustration below (Fig 1) provides the same information with Volvo's component designations.
| Input signals | Output signals |
| Directly connected: | Directly connected: |
|
(Power supply unless otherwise stated)
|
| Via Controller Area Network (CAN) communication: | Via Controller Area Network (CAN) communication: |
|
|
Lockable storage compartments and lockable ski hatch are discontinued as an option from and incl. structure week 200946 (USA and Canada) and 201020 (other markets).
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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