Operation CHARM: Car repair manuals for everyone.

Clearing Trouble Codes




Diagnostic Trouble Code (DTC) Memory, Erasing

Requirement:
- DTC memory checked Check DTC Memory (Function 02)
- Vehicle stationary.
- Engine speed not above 960 rpm.

After DTC memory has been checked:

Indicated on display


Rapid data transfer HELP
Select function XX



- Press keys 0 and 5 to select function "Erase DTC memory".

Indicated on display


Rapid data transfer Q
05 - Erase DTC memory



- Confirm entry with key Q.

Indicated on display


Warning!
DTC memory was not checked



NOTE:
- If the ignition was switched off e.g. between checking the DTC memory and erasing the DTC memory, the DTC memory is then not erased.
- Adhere strictly to the sequence of operations, i.e. first of all check the DTC memory.


Indicated on display


DTC memory is not erased


If one or more DTCs are present.
- Check DTC memory Check DTC Memory (Function 02)

Indicated on display


Rapid data transfer ->
DTC memory is erased!



The DTC memory will be erased approx. 5 seconds after the display appears.
The DTC memory is now erased.


NOTE: Wait about 1 minute before again checking the DTC memory.


Indicated on display


System cannot be checked!


Print out with printer switched on


1 DTC recognized!
00811 3333
System cannot be checked



Control module -J217- was not given sufficient time to recognize DTCs.
- Wait about 1 minute before again checking DTC memory.
- After checking and erasing DTC memory, test drive vehicle and again check DTC memory.

When the DTC memory is checked, the following display should appear:

"No DTC recognized!"