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C11C71D — Additional volume valve, front left – current implausible

Additional volume valve, front left – current implausible. 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 C11C71D

Porsche Taycan

Chassis Control

Porsche 911 (992)

Chassis Control

Porsche Panamera (971, 2017–2023)

Chassis Control

Porsche Panamera (972, 2024–)

Chassis Control

Porsche Cayenne (9YA)

Chassis Control

How to read and clear C11C71D

  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 C11C71D 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 Chassis Control

C11C611Level control valves - short circuit to ground
C11C613Valve for rapid filling of air suspension, Open circuit
C11C701Additional volume valve, front left - electrical fault
C11C711Additional volume valve, front left - short circuit to ground
C11C712Additional volume valve, front left - short circuit to B+
C11C713Additional volume valve, front left - open circuit
C11C7F0Additional volume valve, front left - fault
C11C7F1Additional volume valve, front left - function restriction
C11C801Additional volume valve, front right - electrical fault
C11C811Additional volume valve, front right - short circuit to ground
C11C812Additional volume valve, front right - short circuit to B+
C11C813Additional volume valve, front right - open circuit

All 407 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.