Diagnosable Tiptronic control unit

A self-diagnosis feature with fault memory is built into the Tiptronic control unit to allow certain faults within the electronic control system of the Tiptronic to be detected and to be stored.

To prevent detected and stored faults from being erased when the ingition is switched off, a permanent positive voltage is present at the control unit. Detected faults remain stored in the fault memory for at least 50 starts of the engine. Caution:

If the connector is pulled off the Tiptronic control unit or if the battery is disconnected, the fault memory is erased.

A maximum of 5 faults can be stored in the control unit.

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