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Home >> Volvo >> 2007 >> S40 Base, 2.4 38, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Miscellaneous Components - Design And Function (544 Body) >> Standard Central Locking System (2004-2011) >> Diagnostic Functions (2008, 2009, 2010, 2011) >> VOLVO Diagnostic
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VOLVO Diagnostic

The control modules have a built-in diagnostic system, Volvo Diagnostics, which continuously monitors internal functions as well as input and output signals. The central locking system is a distributed system which stores diagnostic trouble codes (DTCs) in different control modules depending on where the fault occurred.

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