DTC Memory Checking and Erasing

NOTES:
- If DTC memory has been erased, generate a new readiness code. Monitors, Trips, Drive Cycles and Readiness Codes
- If DTC memory has not been checked, do not erase DTC memory as it will be necessary to generate a new readiness code.

PROCEDURE:
- Connect VAG 1551 (VAG 1552) Scan Tool (ST) and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (engine idling).

If engine does not start:
- Crank engine for approx. 6 seconds.
Ignition must not be switched off.
- Switch printer on by pressing PRINT button (indicator light in button lights up).
Indicated on display:

Rapid data transfer HELP
Select function XX

- Press buttons -0- and -2- to select "Check DTC Memory" function 02, and press -Q- button to confirm input.
Indicated on display (number of stored diagnostic trouble codes, or "No DTC recognized"):

X DTC recognized

NOTE: If the printer is switched on, the stored malfunctions will be displayed and printed out in sequence.
Indicated on display:

Rapid data transfer HELP
Select function XX

If no DTCs are recognized:
- Advance program sequence by pressing -> button.
- Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
- Repair malfunctions printed out according to Diagnostic Trouble Code (DTC) charts.
- Erase DTC memory.
- Generate readiness code.