Home › Fault codes › B200300

B200300 — Function block

Function block. 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 B200300

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B200300

  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 B200300 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 Chassis Control

B19C600Display of differential lock failure, active
B19F300Indicator light for suspension management
B19F3F0Indicator light for chassis control, yellow warning message
B19F3F1Indicator light for chassis control, red warning message
B200000Control unit – function restriction
B200087Control module, Software incompatible
B200500Coding
B200FF0Control unit – function restriction
B201200Coding
B201800Authentication of a function, failed
B202000Function limitation through missing initialization
B2F0100Development code 1

All 407 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.