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 MANUALSVOLKSWAGEN2003GOLF (1J1) L4-1.9L DSL TURBO (ALH)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESWITH GENERIC SCAN TOOLDIAGNOSTIC MODE, SELECTINGDIAGNOSTIC MODE 9: VEHICLE INFORMATION
2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)
Diagnostic Mode 9: Vehicle Information
2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)SECTION Diagnostic Mode 9: Vehicle Information
Diagnostic Mode 9: Vehicle Information
Function
In this diagnostic mode, vehicle specific diagnostic data such as e.g. the control module versions will be displayed.
Requirement
- There must not be any DTCs stored in DTC memory, Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory
Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Switch ignition on.
- Under address word 33, select "Diagnostic mode 9: vehicle information".
- Select desired vehicle information "Test-ID XX".
Display vehicle information
Test-ID Diagnostic text
02: Vehicle Identification Number (VIN)1) e.g.:
- WVWSP61J22W000225
04: Calibration identification e.g.:
- 022906032CR 0005Identification of control module for Diesel-Direct fuel injection system
06: CVN (control module-check sum) e.g.:
- 76E80034the check sum is different for every control module version
- No results
1) Display occurs only for vehicles as of model year 2002.
- End diagnosis and switch ignition off.
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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.