Clear DTC memory, mode 4

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen Golf, 1999 Volkswagen Cabrio, 1998 Volkswagen Jetta, and 1998 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Start engine and let idle. Press -4- button to select mode 4 clear DTC memory.

NOTE: DTC codes (if any are stored) must first be read before they can be cleared. Pressing -4- button will not clear the data in DTC memory immediately. In case of operator error, the control module will respond:

By pressing the -C- button mode 4 will be exited.

Display will appear as shown

Fig 1: VAG 1551/1552 Scan Tool Display For Clearing DTC Memory Mode 4 (1 Of 2)

By pressing the -Q- button DTC memory will be cleared.

Display will appear as shown

Fig 2: VAG 1551/1552 Scan Tool Display For Clearing DTC Memory Mode 4 (2 Of 2)

NOTE: When the -Q- button is pressed it can cause the engine to run irregularly until mode 4 is exited.

Press -C- button to exit mode 4.

After repairing malfunctions and clearing DTC memory, the readiness code must be created. See READINESS CODE, CREATING . Then the readiness code must be interrogated via mode 41 transfer of diagnostic data. See DIAGNOSTIC DATA .