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C11A44B — Turn signal bulb, excessive temperature

Turn signal bulb, excessive temperature. 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 C11A44B

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 C11A44B

  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 C11A44B 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

C119D01Fan 2 - electrical fault
C119F00Headlight - country variant implausible
C11A098Control module, Temperature too high
C11A0F0Temperature sensor (internal) - electrical fault
C11A401Front direction indicator light – electrical fault
C11A413Front direction indicator light – open circuit
C11A4F0Front direction indicator light, coding resistance - electrical fault
C11A4F1Front direction indicator light, temperature sensor – electrical fault
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

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.