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 VARIANT/TRIMSECTION 7 (1.9L - DIESEL FUEL INJECTION - ALH, 2V TDI (A4 PLATFORM))DIESEL DIRECT FUEL INJECTION (DFI) ENGINE CONTROL MODULEDIESEL DIRECT FUEL INJECTION (DFI) ENGINE CONTROL MODULE -J248-, REPLACINGINSTALLING
2002 Volkswagen Golf GLS, 2.0 K, Standard
Diesel Direct Fuel Injection (DFI) Engine Control Module -J248-, replacing: Installing
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Installing
WARNING: This page is about a different variant/trim than selected.
- Place the new control unit into the retaining frame.
- Install control unit connector and lock.
- Check the previous coding and the coding of the new control unit, see DIESEL DIRECT FUEL INJECTION (DFI) ENGINE CONTROL MODULE -J248-, CODING
- Match engine control unit to electronic immobilizer.
ON BOARD DIAGNOSTIC (OBD) (FROM LATE PRODUCTION 1999)
- Check DTC memory and, if necessary, repair any malfunctions and then erase; see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .
- Generate readiness code, see READINESS CODE, SETTING
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.