Volkswagen New Beetle. Manual - part 409

 

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Volkswagen New Beetle. Manual - part 409

 

 

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. 

z

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)

  

Fig. 21: VAG 1551 Scan Tool Display - Diagnostic Trouble Code Memory, Up To 06.99 (5 Of 5) 
Courtesy of VOLKSWAGEN OF AMERICA, INC. 

DIAGNOSTIC TROUBLE CODE (DTC) TABLE 

DIAGNOSTIC TROUBLE CODES (UP TO 06.99) 

NOTE:

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The following table lists all malfunctions, with the corresponding 5 digit 
code numbers, that can be recognized by control module with indicator 
unit in instrument cluster insert -J285- and printed out by the VAG 1551 
Scan Tool (ST).  

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If malfunctions do not occur regularly, these are displayed as occurring 
sporadically ("SP").  

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DTC codes appear only on print-out.  

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Before replacing components, check the wiring and connections to these 
components as well as ground connections, according to wiring diagram.  

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When repair has been carried out, the Diagnostic Trouble Code (DTC) 
memory must always be erased and checked again with VAG 1551 Scan 
Tool (ST).  

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If there is a specific complaint and no malfunctions are recognized after 
checking Diagnostic Trouble Code (DTC) memory, carry out function 03 
OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) or function 08 
READ MEASURING VALUE BLOCK (FUNCTION 08) .  

VAG 1551 print out

Possible cause

Possible effects

Corrective action

00771* 
Sender for fuel gauge -

z

Open/short circuit 
to B+  

z

Short circuit to 

z

Open circuit or 

short circuit 

between -G- and 

instrument cluster  

z

G- malfunctioning  

z

Fuel gauge display 

shows reserve 0 

("empty") and fuel 

reserve warning lamp 

lights up  

z

Check for open 

or short circuit 

in wiring using 

wiring diagram. 

z

Replace sender 

for fuel gauge -

G-. 

 

2003 Volkswagen New Beetle GLS 

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

Anti-theft Immobilizer)

  

OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) 

The output Diagnostic Test Mode (DTM) is part of the electrical check. The following components can be 
checked via the output diagnostic test mode: 

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Speedometer  

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Tachometer  

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Fuel gauge  

z

Odometer display  

z

Oil pressure warning buzzer  

z

Fuel reserve warning light  

z

Coolant temperature/engine coolant level indicator warning light  

z

Oil pressure warning light  

z

Dual brake circuit and parking brake system warning light  

z

All warning lights for the vehicle optional equipment  

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If there is a malfunction during output DTM, replace instrument cluster.  

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If no malfunction is identified during output DTM, check wiring and connections to instrument cluster.  

Output Diagnostic Test Mode (DTM), initiating 

Ground  

01039 
Engine Coolant 
Temperature (ECT_ 
Sensor -G2 

z

Short circuit to 
Ground  

z

Open circuit or 

short circuit 

between -G2- and 
instrument cluster  

z

ECT sensor-G2- 

malfunctioning  

z

Coolant temperature 

gauge needle on left 

stop  

z

Check for short 

circuit in wiring 

using wiring 

diagram. 

z

Replace ECT 

sensor -G2-. 

01086 
Speedometer Vehicle 
Speed Sensor (VSS) -
G22 

z

Signal too large  

z

G22- 

malfunctioning  

z

Incorrect speedometer 

display  

z

Replace VSS 

sensor -G22-

65535 
Control Module 

z

Malfunctioning  

 

z

Instrument cluster 

malfunctioning  

z

Replace 

instrument 

cluster. 

NOTE:

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Output Diagnostic Test Mode (DTM) cannot be initiated or will be 
interrupted if engine is running or vehicle is moving,  

z

Use -C- button to exit test sequence at any time.  

 

2003 Volkswagen New Beetle GLS 

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

Anti-theft Immobilizer)

  

 

 

 

 

 

 

 

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