Removing and installing high-voltage cable for high-voltage heater (PTC)P11 — VW
Removing and installing high-voltage cable for high-voltage heater (PTC)P11 on VW: 11 steps. What to remove, in what order, and what to check after.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: platform code BE1
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- The high-voltage cables are secured with cable retainers. The cable retainers must be detached before disconnecting connectors in order to allow for pulling off the connectors.
- Ensure that connectors are securely engaged.
📋 Procedure
- De-energise high-voltage system . [Note: The high-voltage cables are secured with cable retainers. The cable retainers must be detached before disconnecting connectors in order to allow for pulling off the connectors.]
- Press locking mechanism (1).
- Pull out locking mechanism (1) in (direction of arrow A).
- Pull off high-voltage connector (2) in direction of arrow (A).
- Release and pull off high-voltage connector (1). To do this, follow the work procedure below .
- Pull locking mechanism (3) in (direction of arrow A).
- Push detent (4) in (direction of arrow B). At the same time, pull high-voltage connector (1) in (direction of arrow C) off connector mounting (2).
- Push detent (5) in (direction of arrow D). At the same time, pull high-voltage connector (1) in (direction of arrow C) completely off connector mounting (2).
- Detach high-voltage cable for high-voltage heater (PTC)P11 from retainers, and remove it from vehicle.
- Ensure that connectors are securely engaged.
- Commission high-voltage system .
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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
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.