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C11A601 — Side marker light – electrical fault

Side marker light – electrical 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 C11A601

Porsche Taycan

Light Control LeftLight Control Right

Porsche 911 (992)

Light Control LeftLight Control Right

Porsche Panamera (971, 2017–2023)

Light Control LeftLight Control Right

Porsche Panamera (972, 2024–)

Light Control LeftLight Control Right

Porsche Cayenne (9YA)

Light Control LeftLight Control Right

How to read and clear C11A601

  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 C11A601 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 Light Control Left

C11A4F2Front direction indicator light – voltage too high
C11A4F3Front direction indicator light – voltage too low
C11A4F7Turn signal bulb, Overtemperature protection active
C11A4FAFront direction indicator light – short circuit
C11A4FBFront direction indicator light, above normal temperature
C11A4FCFront direction indicator light, below normal temperature
C11A613Side marker light – open circuit
C11A6F1Side marker light, coding resistance – electrical fault
C11A6F2Side marker light, temperature sensor – electrical fault
C11A6F4Side marker light – voltage too high
C11A6F5Side marker light – voltage too low
C11A6F9Side marker light – function restriction due to overtemperature

All 223 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.