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Home >> Volvo >> 2009 >> XC90 V8 R-Design >> Repair and Diagnosis >> Engine Performance >> System >> Miscellaneous Electrical - Design And Function >> BOSCH Me7.01 Engine Management System (B5254T2; 2003-2007) >> Diagnostic Functions >> Overview >> Malfunction Indicator Lamp (Mil) Activation

Malfunction Indicator Lamp (Mil) Activation

Emissions related diagnostic trouble codes (DTC) are stored even when it is lit. A counter counts down to determine when the malfunction indicator lamp (MIL) should be lit. The conditions for lighting the malfunction indicator lamp (MIL) vary depending on the diagnostic trouble code (DTC) that is stored.

Faults that have been diagnosed in the automatic transmission may affect emissions and the automatic transmission may request the activation of the malfunction indicator lamp (MIL).