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 DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL TESTINGSCAN TOOL CONNECTING AND INITIAL CHECKSCHECK CONTROL MODULE VERSION
2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)
Check Control Module Version
2003 Volkswagen Golf (1J1) L4-1.9L DSL Turbo (ALH)SECTION Check Control Module Version
Check Control Module Version
- Connecting scan tool, initiating On Board Diagnostic (OBD).
Scan Tool Connecting and Initial Checks
Initial Inspection and Diagnostic Overview
- Switch on printer with Print button (warning lamp in button lights up).
- Press keys -0- and -1-.
Indicated on display;
Rapid data transfer Q
01-Check Control Module Version
- Confirm entry with the -Q- button.
Control module VW3 (example)
Indicated on display.
1J0 909 609 A AIRBAG VW 3 SG V03 ->
Coding 00068 WSC12345
Top line
- 1J0 909 609 A = Control module Part No.
- Airbag VW3 = System designation
- S = Side airbag, G = Elect. belt tensioner
- V03 = software version number
Lower line
- Coding XXXXX = Coding variants
- WSC XXXXX = Dealership number (Will be automatically stored in the control module when entering the system)
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Enter address word XX
Control module VW5 (example)
Indicated on display.
6Q0909605 A OF AIRBAG VW5 02 0004 ->
Coding 12358 WSC12345
Top line
- 6Q0909605 A = Control module Part No.
- 0F = Index
- Airbag VW5 = System designation
- 02 = version number crash sensor
- 0004 = software version number
Lower line
- Coding XXXXX = Coding variants
- WSC XXXXX = Dealership number (Will be automatically stored in the control module when entering the system)
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Enter address word 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.