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B2F1700 — Development code 23

Development code 23. 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 B2F1700

Porsche Taycan

Front Assist CameraSteering Assist

Porsche 911 (992)

ZFAS (Zentrales Fahrer Assistenz System)Steering Assist

Porsche Panamera (971, 2017–2023)

Steering Assist

Porsche Panamera (972, 2024–)

ZFAS (Zentrales Fahrer Assistenz System)Steering Assist

Porsche Cayenne (9YA)

ZFAS (Zentrales Fahrer Assistenz System)Steering Assist

How to read and clear B2F1700

  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 B2F1700 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 Front Assist Camera

B2F1100Development code 17
B2F1200Development code 18
B2F1300Development code 19
B2F1400Development code 20
B2F1500Development code 23
B2F1600Development code 22
B2F1800Development code 24
B2F1900Development code 25
B2F1A00Development code 26
B2F1B00Development code 27
B2F1C00Development code 28
B2F1D00Development code 29

All 336 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.