If the control unit connector or battery is disconnected, the fault memory will be cleared. If the battery is disconnectd, system adaption of the DME is also cleared.
The fault text in the display does not necessarily point to a fault in this component, but may also indicate a fault in the corresponding control unit and the connecting leads (paths) between the components and control unit.
No troubleshooting in the form of connector disconnection etc. must be performed before reading out the fault memory, because this may be stored as a fault in the fault memory.
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