Home › Fault codes › B199AF0

B199AF0 — Online remote update – software version inconsistent

Online remote update – software version inconsistent. 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 B199AF0

Porsche Taycan

GatewayOTA Function Control Unit

Porsche 911 (992)

Gateway

Porsche Panamera (971, 2017–2023)

Gateway

Porsche Panamera (972, 2024–)

Gateway

Porsche Cayenne (9YA)

Gateway

How to read and clear B199AF0

  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 B199AF0 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 Gateway

B18C0F5Battery control additional memory 1, Activation blocked
B18D3F1Functions which can be activated, Communication between control modules aborted
B18D3F2Functions which can be activated, Invalid control module configuration
B18D3F3Functions which can be activated, faulty vehicle configuration
B18D3F4Function activation – authentication failed
B18D3F5Functions which can be activated, All FS IDs invalid due to unreliable time
B200009Ctrl. module faulty
B200044Control unit – function restriction
B200045Control unit – function restriction
B200046Control unit – function restriction
B200047Control unit – function restriction
B200087Control module, Software incompatible

All 374 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.