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 MANUALSVOLKSWAGEN2003GTI (1J1) L4-1.8L TURBO (AWP)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL TESTINGSELECTABLE FUNCTIONS WHEN USING VAG 1551/1552 OR VAS 5051
2003 Volkswagen GTI (1J1) L4-1.8L Turbo (AWP)
Selectable Functions When Using VAG 1551/1552 or VAS 5051
2003 Volkswagen GTI (1J1) L4-1.8L Turbo (AWP)SECTION Selectable Functions When Using VAG 1551/1552 or VAS 5051
Selectable Functions, Overview
01 - Check Control Module Version
02 - Check DTC Memory
03 - Output Diagnostic Test Mode
05 - Erase DTC Memory
06 - End Output
07 - Code Control Module
08 - Read Measuring Value Block
10 - Adaptation
NOTE:
- A list of possible functions is printed out after pressing the HELP key.
- Do not select further functions, which can be pointed out after pressing the HELP key.
- After the function is completed the VAG1551 returns to the following start position:
Indicated on display:
Rapid data transfer HELP
Select function XX
RENDER: 1.0x
NO RELATED
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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.