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.
GPS Reception
The multimedia module (MMM) (16/108) receives GPS signals from the GPS antenna (16/47) to the integrated GPS unit for position determination.
The brake control module (BCM) (4/16) and central electronic module (CEM) (4/56) send signals with information on direction and speed via the infotainment control module (ICM) (3/281) so that the current position can be calculated.
When a Volvo On Call service is initiated, the multimedia module (MMM) sends information on vehicle position to the phone module (PHM) via the MOST network. For more information, see appropriate Design and Function information for the Phone module (PHM).
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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.