These codes are three-digit numbers. A common "no-problem" code is . 1-1-1: No faults detected. 1-2-1: Mass Air Flow (MAF) sensor signal. 2-2-1/2-3-1: Fuel trim (running too rich or too lean). 2-1-2: Oxygen Sensor (O2) signal. 3-2-1: Cold Start Injector signal.
Another likely meaning of your keyword is a request for a "top view" diagram, which could include: volvo brick diagrar top
Because a Volvo Brick doesn’t break down. It merely requests maintenance. These codes are three-digit numbers
Offers free access to original Volvo "Greenbooks" (service manuals) with exploded diagrams for almost every system. volvo brick diagrar top