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B11D11C — Coding pin, Voltage implausible

Coding pin, Voltage implausible. The Taycan, 911 (992), Panamera (971), Panamera (972) and Cayenne report this code; below is which control unit sets it on each model and how to read and clear it.

Which models and control units set B11D11C

Porsche Taycan

Lane Change Assist 2Front Corner Radar 1Front Corner Radar 2Lane Change Assist

Porsche 911 (992)

SWA2 (Spurwechselassistent 2)SWA (Spurwechselassistent)

Porsche Panamera (971, 2017–2023)

SWA2 (Spurwechselassistent 2)SWA (Spurwechselassistent)

Porsche Panamera (972, 2024–)

MRR_HL (Radar HL)MRR_VR (Radar VR)MRR_VL (Radar VL)MRR_HR (Radar HR)

Porsche Cayenne (9YA)

SWA2 (Spurwechselassistent 2)MRR_VR (Radar VR)MRR_VL (Radar VL)SWA (Spurwechselassistent)

How to read and clear B11D11C

  1. Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
  2. Open STEUER14, pick your car and run a fault scan: every control unit is read, and B11D11C shows with its status, its full description and the freeze frame when the unit stores one.
  3. Fix the cause first, then clear the fault memory and scan again to check it stays away. Reading and clearing fault codes is free on every control unit.

More about fault memory in the manual →

Download STEUER14 — free fault reading

Other codes of the Lane Change Assist 2

B200000Control unit – function restriction
B200044Control unit – function restriction
B200045Control unit – function restriction
B200047Control unit – function restriction
B200087Control module, Software incompatible
B2000F0Control unit – function restriction

All 49 codes of this control unit →

Fault names come from the manufacturer's diagnostic data. STEUER14 is independent and not affiliated with Porsche AG. A code tells you what a control unit detected, not always which part failed — check wiring, supply voltage and related codes before replacing parts. STEUER14 shows each fault's full description, status and freeze frame on the car.