Exhaust Malfunction Indicator Light (MIL), significance: Notes

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If the Engine Control Module (ECM) recognizes emission related malfunctions, this is indicated by the MIL coming on.

Component location of MIL, see Fig 1 .

Fig 1: Identifying Exhaust Malfunction Indicator Light (MIL)

Courtesy of AUDI OF AMERICA, INC.

NOTE: When a recognized malfunction switches on the MIL, it will either blink or light continuously. In either case, the DTC memory must be checked, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .