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Home >> Volvo >> 2012 >> C70 >> Repair and Diagnosis >> Engine Performance >> System >> Electronics - Design And Function - 2 Of 4 >> Engine Control Module (ECM) (B5244S4; 2006-2007) >> Diagnostic Functions >> Overview >> Substitute Value
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Substitute Value

For certain types of diagnostic trouble codes (DTCs), the missing signal is replaced with a substitute value so that the system can continue functioning.

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