LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2004 >> TT Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> Electrical Equipment >> 01 On Board Diagnostic (OBD) >> Anti-theft immobilizer from 09.00, On Board Diagnostic (OBD) >> Diagnostic Trouble Code (DTC) Memory, erasing (function 05)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code (DTC) Memory, erasing (function 05)

NOTE:
  • If DTC memory cannot be erased, Check DTC Memory again and repair malfunction.
  • DTCs are not updated after erasing DTC memory until after ignition has been switched on and off.

Requirements 

Procedure 

After successful DTC memory check:

Fig 1: Diagnostic System VAS 5051: Display -- Basic Setting
GW00006284Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

Fig 2: Diagnostic System VAS 5051: Display
GW00015768Courtesy of VOLKSWAGEN UNITED STATES, INC.

Display on VAS 5051/5052:

1 - [small diamond] no indication (before erasing)

or

[small diamond] DTC memory erased

NOTE: If indication -1- appears in display field: "DTC memory has not yet been checked", the work sequence was not adhered to correctly. DTC memory can only be erased if DTC memory was checked before.

2 - function? is being erased !