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 91 (2.8L & 3.2L - GENERIC SCAN TOOL, ENGINE CODE(S): AFP, BDF, BJS [A4 PLATFORM] (28 IGNITION/GLOW PLUG SYSTEM - ST GENERIC SCAN TOOL))ST GENERIC SCAN TOOLDIAGNOSTIC MODE, SELECTINGDIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA
2002 Volkswagen Golf GLS, 2.0 K, Standard
Diagnostic mode 4: Reset/erase diagnostic data
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Diagnostic mode 4: Reset/erase diagnostic data
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Function
This diagnostic mode performs the following functions:
- all emission relevant malfunctions in DTC memory will be erased,
- the operating conditions at which a malfunction was stored will be reset. Refer to Diagnostic mode 2: Check operating conditions
- all adaptation values will be reset,
- all test results of the diagnostic functions will be reset.
Requirement
- DTC memory was checked. Refer to Diagnostic mode 3: Check DTC Memory
Work procedure
- Connect diagnostic tester. Refer to Diagnostic tester, connecting
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 4: Reset/erase diagnostic data.
Erased or reset:
- Number and content of the DTC memories,
- Operating conditions,
- Adaptation values,
- Test results.
- End diagnosis and switch ignition off.
- Generate readiness code. Refer to Readiness code, generating
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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.