Home › Fault codes › P1BBB00

P1BBB00 — All-wheel drive – function restriction (consequential fault)

All-wheel drive – function restriction (consequential fault). 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 P1BBB00

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear P1BBB00

  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 P1BBB00 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

P065000Fault lamp for self-diagnosis, electrical fault in the circuit
P089200Compressor control unit – electrical line fault
P168100Control module programming, Programming not finished
P168600Ctrl. module faulty, Programming error
P169A00Transport mode active
P178E00Compressor for level control, Temperature too high
U101100Supply voltage – too low
U101200Supply voltage – too high
U101300Coding
U101400Coding
U103000LIN bus 1 – electrical fault
U103100FlexRay data bus, No synchronization

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.