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B105A1B — Fuel level sensor 2, covering – resistance too high

Fuel level sensor 2, covering – resistance too high. 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 B105A1B

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear B105A1B

  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 B105A1B 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 →

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Other codes of the Comfort System Module

B104D00Radio key – not taught
B10581AFuel level sensor 2 – short circuit to ground
B10581BFuel level sensor 2 – open circuit
B10591AFuel level sensor 1, covering – resistance too low
B10591BFuel level sensor 1, covering – resistance too high
B105A1AFuel level sensor 2, covering – resistance too low
B114811Terminal 15 signal line – short circuit to ground
B114812Terminal 15 signal line – short circuit to B+
B114813Terminal 15 signal line – open circuit
B1148F1Terminal 15, blocked
B116D02Door handle proximity sensor, rear left – signal error
B116D11Door handle proximity sensor, rear left – short circuit to ground

All 616 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.