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B19D4F0 — Display of fault in traffic sign detection, active

Display of fault in traffic sign detection, active. 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 B19D4F0

Porsche Taycan

Instrument Cluster

Porsche 911 (992)

Kombi LG

Porsche Panamera (971, 2017–2023)

Kombi

Porsche Panamera (972, 2024–)

Kombi LG

Porsche Cayenne (9YA)

Kombi

How to read and clear B19D4F0

  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 B19D4F0 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 →

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Other codes of the Instrument Cluster

B19CBF0Display of transmission temperature too high, active
B19CDF0Display of fault in intersection assistant, active
B19CEF0Display of power steering failure, active
B19D0F0Failure in hydraulic electronic braking distribution, active
B19D2F0Display of fault in voltage converter, active
B19D3F0Display of fault in headlight assistant, active
B19DBF0Display of fault in steering column adjustment, active
B19DEF0Display of fault in transmission level R not available, active
B19DFF0Display of fault in gearshift paddle, active
B19E0F0Display of fault in rear axle steering, active
B19E1F0Display of fault in route detection, active
B19E2F0Display of fault in cruise control system, active

All 176 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.