Extracting Diagnostic Trouble Codes
NOTE: The DTC memory can only be erased after it has first been checked for stored DTCs.- Connect VAG 1551 Scan Tool, insert "Transmission Electronics" address word 02, and advance program until "Select function XX" appears in display.
Indicated on display:
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -2- to select the "Check DTC Memory" function 02.
Indicated on display:
Rapid data transfer Q
02 - Check DTC Memory
- Press -Q- button to confirm input.
Indicated on display (number of stored DTCs):
X DTC Recognized ->
or
"No DTC recognized":
No DTC recognized ->
NOTE: Stored DTCs are displayed and, if the printer is switched on, printed, one after the other.
After display and printout of last malfunction:
- Press -> button.
- Identify and repair malfunctions as described in DTC table:
^ OBD, refer to "Diagnostic Trouble Code Charts By VAG Codes". Engine Control System
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Select function XX
NOTE: The DTC memory must be erased once all malfunctions have been checked and eliminated.