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Home >> Volvo >> 2014 >> XC90 3.2, FWD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Electronic Modules - Design And Function >> Engine Control Module (ECM) (B8444S; 2005-2011) >> Diagnostic Functions >> Overview >> Notes
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Diagnostic Functions: Overview: Notes

GENERAL 

The engine control module (ECM) diagnoses both internal signals and functions as well as signals and functions from connected components.

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