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Brake system — Connecting Vehicle diagnosis, testing and information systemVAS 5051 A and selecting functions — VW

Brake system — Connecting Vehicle diagnosis, testing and information systemVAS 5051 A and selecting functions on VW: 13 steps.

Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.

13 steps

🧭 Before you start

Fits: platform code POLO

  • Special tools named: VAS 5051/1, VAS 5051/3

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  • During test drive checking and measuring equipment must be installed on the rear seat.A second mechanic shall operate the equipment. — Connect diagnosis cable connector VAS 5051/1 or VAS 5051/3 to diagnosis connection (arrow).

📋 Procedure

  1. ⚠ During test drive checking and measuring equipment must be installed on the rear seat.A second mechanic shall operate the equipment. — Connect diagnosis cable connector VAS 5051/1 or VAS 5051/3 to diagnosis connection (arrow).
  2. Switch test equipment on (arrow).
  3. Switch ignition on.
  4. Touch field on display/button: Guided fault location.
  5. Select one after another:
VW? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Confirm data entered.
  2. Press button go to and select function "“function/component selection”".
  3. Select "“Chassis”" on display.
  4. Select "“Brake system”" on display.
  5. Select indication "“01-Selfdiagnosis system ...”" on display.
  6. Select indication "“Anti-locking brake system ... ”" on display.
  7. Select indication "“Function”" on display.
  8. Select indication "“Function”" on display.

Who makes these pages, and how

TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com

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Workshop data on this page last updated 20 Sep 2026.