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C125E07 — Exterior acoustics button – mechanical fault

Exterior acoustics button – mechanical 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 C125E07

Porsche Taycan

Exterior Sound ActuatorSound Actuator

Porsche 911 (992)

Soundaktuator

Porsche Panamera (971, 2017–2023)

Exterior Sound ActuatorSoundaktuator

Porsche Panamera (972, 2024–)

Exterior Sound ActuatorSoundaktuator

Porsche Cayenne (9YA)

Exterior Sound ActuatorSoundaktuator

How to read and clear C125E07

  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 C125E07 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 Exterior Sound Actuator

B201200Coding
B203400Warning – overtemperature
B203500Control unit, part number implausible
C104A4BTemperature - above limit value
C113C01Acoustic simulator - electrical fault
C113C13Acoustic simulator - open circuit
P061000Control unit - variant coding invalid
P138500Ctrl. module faulty
P160A00Function restriction
P1C8D00Production restrictions active
P1EEC00Loudspeaker test active
U101100Supply voltage – too low

All 50 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.