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B104529 — Driver side belt switch, 3rd row, Implausible signal

Driver side belt switch, 3rd row, Implausible signal. 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 B104529

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B104529

  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 B104529 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 Airbag

B104429Belt buckle switch on rear passengerʼs side - signal implausible
B104500Driver side belt switch, 3rd row
B104501Driver side belt switch, 3rd row, Electrical error
B104511Driver side belt switch, 3rd row, Short circuit to ground
B104512Driver side belt switch, 3rd row, Short circuit to B+
B104513Driver side belt switch, 3rd row, Open circuit
B104600Center third row seat belt switch
B104601Center third row seat belt switch, Electrical error
B104611Center third row seat belt switch, Short circuit to ground
B104612Center third row seat belt switch, Short circuit to B+
B104613Center third row seat belt switch, Open circuit
B104629Center third row seat belt switch, Implausible signal

All 723 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.