Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2003JETTA SEDAN (9M2) V6-2.8L (BDF)REPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLANTILOCK BRAKES / TRACTION CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESABS ITT MARK 20 IEWITH VAG 1551 SCAN TOOLDIAGNOSTIC TROUBLE CODE, MEMORY
2003 Volkswagen Jetta Sedan (9M2) V6-2.8L (BDF)
Diagnostic Trouble Code, Memory
2003 Volkswagen Jetta Sedan (9M2) V6-2.8L (BDF)SECTION Diagnostic Trouble Code, Memory
Diagnostic Trouble Code (DTC), memory
All functions which could previously be performed with V.A.G 1551 can also be performed with the new tester VAS 5051.
Indicated on display:
- Press keys -0- and -2-; 02 enters the "Check DTC memory" function.
Indicated on display
- Confirm entry with Q key.
The number of stored DTCs or "No DTCs recognized" appears in the display.
- Press (arrow) key.
The stored DTCs are displayed and printed out one after the other.
- With DTC information print-out eliminate malfunctions according to DTC table.
As with "No DTC recognized", the program returns to the start position after pressing the (arrow) key:
Indicated on display
- End output (Function 06).
- Switch off ignition and disconnect tester at DLC.
Work sequence if a DTC has been detected:
1 Repair according to DTC table
2 Check DTC memory (Function 02)
3 Erase DTC memory (Function 05)
4 End output (Function 06)
5 Perform a test drive
6 Check DTC memory again
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.