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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 98 (1.9L - FUEL INJECTION GLOW PLUG, ENGINE CODE: ALH (A4 PLATFORM))23 DIESEL FUEL INJECTIONDIESEL DIRECT FUEL INJECTION (DFI) ENGINE CONTROL MODULE (ECM) -J248ENGINE CONTROL MODULE (ECM) J248 CODINGCODING VARIANTS
2002 Volkswagen Golf GLS, 2.0 K, Standard
Coding variants
2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Coding variants
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Volkswagen Jetta, 2001 Volkswagen Golf, 2000 Volkswagen Jetta, 2000 Volkswagen Golf, and 1999 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
| Coding | For following vehicles |
| 00001 | Automatic transmission |
| 00002 | Manual transmission |
Indicated on display when a non-authorized code number has been entered.
| Function is not recognized or cannot -> be performed at the moment. |
Scan Tool (ST) V.A.G 1551 display will show Engine Control Module (ECM) J248 identification, e.g.:
| 038906018M 1.9l R4 EDC G00AG 1813 -> Coding 00001 WSC XXXXX |
- Press → button.
- Press buttons - 0 - and - 6 - for the "End output" function and confirm input with the - Q - button.
- Switch ignition off and on again.
NOTE:
- The code entered will be activated by switching the ignition off and on again. If after entering code the ignition is not switched off and on again, the DTC Engine Control Module (ECM) J248 incorrectly coded in DTC memory cannot be erased.
- Check DTC memory, if necessary, repair any DTCs and erase DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing .
- Display readiness code → Readiness code, displaying . If DTC memory has been erased, readiness code must be reset → Readiness code, setting .
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.