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.
2012 Volkswagen Golf TDI, 2D Hatchback, Automatic DCT TransFACTORY OEM SERVICE PROCEDURE
ABS Control Module Connector End View (J104, T26a)
| Cavity | Function |
|---|---|
| 1 | Power fuel, module |
| 2 | Rear left sensor ground |
| 3 | Rear left sensor signal |
| 4 | ASR signal (Optional for certain vehicles) |
| 5 | Front right sensor signal |
| 6 | Front right sensor ground |
| 7 | TPMS signal (optional) |
| 8 | Front left sensor ground |
| 9 | Front left sensor signal |
| 10 | ASR off (optional) |
| 11 | Right rear sensor signal |
| 12 | Right rear sensor ground |
| 13 | ... |
| 14 | ... |
| 15 | Module self check - (coupling steering type option) |
| 16 | Brake light switch (BLS) signal |
| 17 | Module self check - (coupling steering type option) |
| 18 | ... |
| 19 | ... |
| 20 | Power ignition, module |
| 21 | CAN-L signal |
| 22 | Module self check - (coupling steering type option) |
| 23 | CAN-H signal |
| 24 | Module self check - (coupling steering type option) |
| 25 | ... |
| 26 | Ground, module |
Factory Service Tools
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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.
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