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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Control Modules - Design And Function - 2 Of 4) >> Engine Control Module (ECM) (B5244S; B5244S6; 2003-2006) >> Diagnostic Functions >> Misfire Diagnostics >> Diagnostic Trouble Code (DTC) Management
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Diagnostic Trouble Code (DTC) Management

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostic trouble codes (DTC) for misfiring will light the malfunction indicator lamp (MIL).

The engine control module (ECM) determines how much the engine is misfiring by counting the number of misfires during a certain number of engine revolutions.

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