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Home >> Volvo >> 1998 >> S70 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Tests >> DTC P1604/EFI 534: Ignition Discharge Module Group D - High >> Fault Conditions

Fault Conditions

DTC EFI-534 is stored if the ECM registers a fault in the ignition coil, fuel pump, A/T load signal, MIL or engine cooling fan high speed circuits.