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Home >> Audi >> 2000 >> A6 Base >> Repair and Diagnosis >> Electrical >> Gauges >> On Board Diagnostic (OBD) - Up To 2000 >> Instrument cluster with maintenance interval extension (MIE), On Board Diagnostic (OBD) >> General information >> Malfunction message "dEF" on trip odometer display

Malfunction message "dEF" on trip odometer display

If the control module in the instrument cluster detects a malfunction in its permanent memory, the letters "dEF" will appear on the trip odometer display.