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 85 (1.8L - ON BOARD DIAGNOSTIC (OBD), GENERIC SCAN TOOL - AWD, AWP, AWW)GENERIC SCAN TOOLSELECT DIAGNOSTIC FUNCTIONDIAGNOSTIC MODE 3: CHECK DTC MEMORYPROCEDURE
2002 Volkswagen Golf GLS, 2.0 K, Standard
Diagnostic mode 3: Check DTC Memory: Procedure
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Procedure
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
- Connect diagnostic tester, see CONNECT DIAGNOSTIC TESTER .
- Start engine and let run at idle.
NOTE:
Only if engine does not start:
- Operate starter for approx. 6 seconds. Do not switch ignition off afterward.
- Under address word 33, select "Diagnostic mode 3:, Check DTC memory." The number of stored malfunctions or "0 malfunctions detected" is displayed.
- End diagnosis and switch ignition off. Repair stored malfunctions according to DTC table.
- SAE P0xxx-DTCs, see DIAGNOSTIC TROUBLE CODE (DTC) TABLES: ,
- SAE P1xxx-DTCs, see SAE P1XXX-DTCS ,
- SAE P2xxx-DTCs, see SAE P2XXX-DTCS ,
- SAE P3xxx-DTCs, see SAE P3XXX-DTCS .
- Erase DTC memory, see DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
NOTE:
- The DTC table is sorted by SAE codes.
- "E-Gas"-relevant malfunctions are also indicated by the warning lamp for Electronic Power Control ("EPC warning lamp") in the instrument cluster.
- In addition, "emission"-relevant malfunctions are indicated in the instrument cluster via the Malfunction Indicator Lamp (MIL).
- In diagnostic mode 2, it can be determined at which operating condition a malfunction was detected and stored by the Engine Control Module (ECM). See page DIAGNOSTIC MODE 2: CHECKING OPERATING CONDITIONS .
- Erase DTC memory after repairing malfunction. See page DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
Display example:
P0444Evaporative Emission System Purge Control Valve Circuit Open
Explanation:
- P0444 = SAE diagnostic trouble code (malfunction identification number).
- Evaporative Emission System Purge Control Valve = malfunctioning wiring path or malfunctioning component.
- Circuit Open = Malfunction type as text
RENDER: 1.0x
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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.