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Xemodex Blog

Tech Tip Tuesdays

How to remove the Central Electronic Module (CEM) in a Volvo (1999-2004)

Volvo CEM Removal

This is a guide on how to remove a Central Electronic Module specifically for Volvo 1999 -2004 S80, 2001 – 2004 S70, V70, XC70, and 2003 – 2004 XC90. Have you been experiencing issues with dash/cluster operation, your power windows or power seats operation, no AC, the transmission going into limp mode, and other numerous communication fault codes? These are …

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How a Diesel Exhaust Fluid (DEF) Tank Works

Diesel Exhaust Fluid is an important component in keeping heavy-duty trucks and machinery operating within emission guidelines. It is an ammonia-based fluid that is injected into the catalyst and a chemical reaction breaks down the NOx into nitrogen, water and small amounts of CO2. To show you how the tank actually works, we’ve provided an illustration of the tank, breaking …

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