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B104914 — Mute switch radio, Open circuit/short circuit to ground

Mute switch radio, Open circuit/short circuit to ground. The Panamera (971) 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 B104914

Porsche Panamera (971, 2017–2023)

Porsche Cayenne (9YA)

How to read and clear B104914

  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 B104914 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 Gateway

B104911Radio mute function - short circuit to ground
B104912Radio mute function - short circuit to B+
B105000Function restriction, temperature above limit value
B105207Cell phone prep. ctrl. head/emergency call module, mechanical malfunction
B105211Cell phone prep. ctrl. head/emergency call module, Short circuit to ground
B105212Cell phone prep. ctrl. head/emergency call module, Short circuit to B+
B105213Cell phone prep. ctrl. head/emergency call module, Open circuit
B105311GSM antenna - short circuit to ground

All 433 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.