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Home >> Volvo >> 2014 >> XC90 3.2, AWD >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Electrical Components - Design And Function >> Transmission Control Module (TCM) (Aw50/51 AWD; Aw55-50/51SN; 2003-2007) >> Transmission Control Module (TCM) Diagnostic Functions >> Diagnostic Trouble Codes (DTCS)
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Diagnostic Trouble Codes (DTCS)

The control module will store a diagnostic trouble code (DTC) if it detects a fault. If a fault disappears for any reason after the diagnostic trouble code (DTC) has been permanently stored in the control module, information about the fault remains stored in the control module.