Volkswagen New Beetle. Manual - part 342

Fig. 14: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (7 Of 9) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press "HELP" button to print out a list of possible malfunction causes. 

Fig. 15: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (8 Of 9) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

List of available functions 

LIST OF AVAILABLE FUNCTIONS (UP TO 06.99) 

Function 
No.

Function Description

See

01 -

Check control module 

version

VAG 1551 SCAN TOOL (ST), CONNECTING, 

SELECTING FUNCTIONS & CHECKING CONTROL 

MODULE VERSIONS .

02 -

Check Diagnostic Trouble 

Code (DTC) memory

DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, 

CHECKING (FUNCTION 02)

03 -

Output Diagnostic Test 

Mode (DTM)

OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 

03)

05 -

Erase DTC memory

DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, 

ERASING (FUNCTION 05)

06 -

End output

END OUTPUT (FUNCTION 06)

07 -

Code control module

INSTRUMENT CLUSTER, CODING (FUNCTION 07)

08 -

Read measuring value 

block

READ MEASURING VALUE BLOCK (FUNCTION 08)

10 -

Adaptation

ADAPTATION (FUNCTION 10)

NOTE:

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Press HELP button to print out a complete list of available functions. This 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ACCESSORIES & EQUIPMENT On Board Diagnostic (OBD) - New Beetle (Instrument Cluster, Data Bus & 

Anti-theft Immobilizer)

  

Indicated on display (select function): 

Fig. 16: VAG 1551 Scan Tool Display - Connecting VAG 1551 Scan Tool (9 Of 9) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING (FUNCTION 02) 

z

Switch printer on by pressing PRINT button (indicator lamp in button lights up).  

Indicated on display 

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Press buttons -0- and -2- to select "Check DTC Memory" function 02. 

list indicates function capability of VAG 1551 Scan Tool (ST) only, and 
does not necessarily reflect function capability of vehicle systems 
equipped with OBD. For instrument cluster address word 17, do not 
attempt to select functions other than those listed above.  

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After function is completed and forwarded with --> button, VAG 1551 Scan 
Tool (ST) returns to following start position:  

NOTE:

The displayed DTC information is updated only when initiating OBD or with 
"Erase DTC Memory" function 05.

 

2003 Volkswagen New Beetle GLS 

1998-2004 ACCESSORIES & EQUIPMENT On Board Diagnostic (OBD) - New Beetle (Instrument Cluster, Data Bus & 

Anti-theft Immobilizer)

  

Fig. 17: VAG 1551 Scan Tool Display - Diagnostic Trouble Code Memory, Up To 06.99 (1 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

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Press -Q- button to confirm input. 

Fig. 18: VAG 1551 Scan Tool Display - Diagnostic Trouble Code Memory, Up To 06.99 (2 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

The number of stored DTCs appears on the display. 

Stored DTCs are displayed and printed out one after another. 

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Check print-out against DTC table and repair all malfunctions as necessary. See DIAGNOSTIC 
TROUBLE CODE (DTC) TABLE . 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ACCESSORIES & EQUIPMENT On Board Diagnostic (OBD) - New Beetle (Instrument Cluster, Data Bus & 

Anti-theft Immobilizer)

  

Fig. 19: VAG 1551 Scan Tool Display - Diagnostic Trouble Code Memory, Up To 06.99 (3 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

If "No DTC recognized" is displayed the program will return to the initial position after pressing --> button. 

Fig. 20: VAG 1551 Scan Tool Display - Diagnostic Trouble Code Memory, Up To 06.99 (4 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

Indicated on display 

If something else is displayed: 

See Scan Tool operating instructions 

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End output (function 06). See END OUTPUT (FUNCTION 06) .  

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Switch ignition off.  

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Disconnect Data Link Connector (DLC). 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ACCESSORIES & EQUIPMENT On Board Diagnostic (OBD) - New Beetle (Instrument Cluster, Data Bus & 

Anti-theft Immobilizer)