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 MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 29 (ON BOARD DIAGNOSTIC (OBD) (A3 PLATFORM))
2002 Volkswagen Golf GLS, 2.0 K, Standard
Section 29 (On Board Diagnostic (OBD) (A3 Platform))
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Section 29 (On Board Diagnostic (OBD) (A3 Platform))
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2002 Volkswagen Cabrio, 2001 Volkswagen Cabrio, 2000 Volkswagen Cabrio, 1999 Volkswagen Jetta, and 1999 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
- Model Application
- Radio On Board Diagnostic (OBD) ("Sound System" only)
- General information
- VAG 1551 Scan Tool (ST), connecting, selecting functions and checking control module (radio) version
- Diagnostic Trouble Code (DTC) memory, checking (function 02)
- Output Diagnostic Test Mode (DTM), (function 03)
- Diagnostic Trouble Code (DTC) memory, erasing (function 05)
- End output (function 06)
- Control module (radio) version, coding (function 07)
- Read measuring value block (function 08)
- Anti-theft immobilizer On Board Diagnostic (OBD) (up to May 1999) (Cabrio only)
- Notes
- Function
- VAG 1551 Scan Tool, connecting and selecting functions
- List of selectable functions
- Diagnostic Trouble Code (DTC) memory, checking
- Erasing DTC memory
- Ending output
- Diagnostic Trouble Code (DTC) table
- Read Measuring Value Block (function 08)
- Display group overview
- Ignition keys, matching (adaptation)
- Lost key procedure
- Engine Control Module or Fuel Cut-off Valve Control Module, procedure after replacing
- Immobilizer Control Module, adjusting after replacing (code control module)
- Lock set or Immobilizer Control Module, replacing procedure
- Immobilizer, troubleshooting procedure
- Anti-theft immobilizer, On Board Diagnostic (OBD) (from May 1999) (Cabrio only)
- Notes
- Function
- On Board Diagnostic (OBD), initiating
- Diagnostic Trouble Code (DTC) table
- Read Measuring Value Block (function 08)
- Ignition keys, matching (adaptation)
- Lost key procedure
- Engine Control Module (ECM), procedure after replacing
- Immobilizer control module, adjusting after replacing (Code Control Module)
- Immobilizer control module, replacing procedure
- Immobilizer, troubleshooting procedure
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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.