Home › Fault codes › B126CF0

B126CF0 — Navigation database faulty

Navigation database faulty. 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 B126CF0

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B126CF0

  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 B126CF0 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 Information Control Unit

B110311Digital radio (DAB) antenna - short circuit to ground
B111911AM/FM antenna - short circuit to ground
B111A11FM antenna 2 - short circuit to ground
B11CF53Satellite radio (SDARS) tuner deactivated
B11CF54Satellite radio (SDARS) tuner - no basic setting
B126B01Housing fan, Electrical error
B126CF1Navigation database not installed
B126D13AM/FM antenna amplifier - open circuit
B126E13FM antenna amplifier 2 - open circuit
B127013Digital radio (DAB), antenna amplifier - open circuit
B127213AM/FM antenna - open circuit
B127313FM antenna 2 - open circuit

All 614 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.