With Manufacturer's Scan Tool (VAG)

NOTE: If the engine was switched off between reading and erasing the Diagnostic Trouble Code (DTC) Memory, the DTC Memory will not erase. You must access and erase without turning off the ignition.

REQUIREMENTS
All Diagnostic Trouble Codes have been repaired.

ERASING TROUBLE CODE MEMORY
- Test-drive car for a road test of at least 10 minutes duration. The following requirements should be met while test-driving:

^ Engine Coolant Temperature (ECT) must reach at least 80°C (176°F).
^ Engine Speed (RPM) must reach at least 4600 RPM.
^ The accelerator pedal must be fully depressed, briefly reaching the Wide Open Throttle (WOT) position at least once.
^ In 4th gear, starting from approx. 50 km/h (30 mph), accelerate for approximately 4 seconds using half-throttle (accelerator pedal pressed halfway down).

- Connect VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter harness.
- Start engine and let idle.
- Operate VAG 1551 Scan Tool according to information and instructions on the display.
- Press button -1- for "Rapid data transfer" operating mode.
- Enter address word 01 for "Engine Electronics."

^ Indicated on display:

Rapid data transfer HELP
Select function XX.

- Press buttons -0- and -2- to select the "Check DTC Memory" function.
- Press -Q- button to confirm input.
- Press --> button until all DTCs still stored have appeared, and the Scan Tool display reads as shown below.

^ Indicated on display:

Rapid data transfer HELP
Select function XX.

- Press buttons -0- and -5- to select the "Erase DTC Memory" function.
- Press -Q- button to confirm input.

^ Indicated on display:

Rapid data transfer -->
DTC Memory is erased.

- Press -> button.

^ Indicated on display:

Rapid data transfer HELP
Select function XX.

- Press buttons -0- and -6- to select the "End Output" function.
- Press -Q- button to confirm input.
- Repeat the road test for at least 10 minutes while meeting the following requirements:

^ Engine coolant temperature must reach at least 80°C (176°F).
^ Engine speed must reach at least 4600 RPM.
^ Wide open throttle at least once.
^ Accelerate at half-throttle in 4th gear for at least 4 seconds.

- Check DTC Memory again.
^ No DTC should be shown.