Work sequence
WARNING: This page is about a different variant/trim than selected.
- Connect VAG1551 / VAG1552 with adaptor cable VAG1551 /3.
After connecting Scan Tool (ST):
Depending upon desired function:
- Turn on ignition.
or
- Start engine Selectable functions, when using Scan Tools (ST) VAG1551 /1552 or VAS5051 , Table "Selectable functions".
NOTE:
- If display remains blank, check voltage supply for diagnostic connection: → Electrical Wiring Diagrams, Troubleshooting and Component Locations
- If display does not indicate as described in work sequence: Scan Tool (ST) operating instructions
- If due to an input malfunction "malfunction in data transfer!" is displayed, pull wire off Scan Tool (ST), reconnect and repeat step.
- Operate Scan Tool (ST) and note displayed information:
Indicated on display:
| VAG - ON BOARD DIAGNOSTIC HELP 1 - Rapid data transfer* |
| VAG - ON BOARD DIAGNOSTIC HELP 2 - Blink code output* |
* Appears alternately
- Operate Scan Tool (ST) and note displayed information:
- Press button 1 to select "Rapid data transfer".
- Press buttons 0 and 1 for address word "Engine electronics" and confirm entry with Q button.
Scan Tool (ST) VAG1551 display will show control module identification, e.g.:
| 038906012FD 1.9l R4 EDC G00AG 1813 → Coding XXXXX WSC XXXXX |
- 038906012FD = Part No. for Control Module (always check with parts department for latest part number)
- 1.9 ltr. = Engine displacement
- R4 = Engine type (4 Cyl. in-line engine)
- EDC = Injection system (Electronic Diesel Control)
- G = Equipped with cruise control (No display = Not equipped with cruise control)
- AG = Transmission type: Automatic transmission
- 1813 = ECM software
- Coding xxxxx = Coding control module, Engine Control Module (ECM) J248 codes.
- WSC xxxxx = Dealer number from VAG1551 , of the dealer that last performed coding. (If the factory coding has not been changed, WSC 00000 appears)
Only for vehicles from model year 2002 →
- Press → button.
Indicated on display:
| 3VWSP69M92M000069 VWZ7Z0A3452852 → |
Continued for all vehicles
- Press → button.
Indicated on display:
| Rapid data transfer HELP Select function XX |
- Press buttons 0 and 6 for the function "End output" and confirm entry with the Q button.
- For additional steps, see repair procedures.