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C1199FB — High beam – switch-off due to undertemperature

High beam – switch-off due to undertemperature. 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 C1199FB

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear C1199FB

  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 C1199FB 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

C1199F1High beam headlight, temperature sensor - electrical fault
C1199F2High beam headlight - voltage too high
C1199F3High beam headlight - voltage too low
C1199F6High beam headlight, function restriction due to overtemperature
C1199F7High beam, excessive temp.
C1199FAHigh beam – short circuit
C1199FCHigh beam – switch-off due to undertemperature
C1199FDHigh beam, excessive temp.
C119A01Static AFS light, Electrical error
C119A13Stationary cornering light, Open circuit
C119A98Static AFS light, Temperature too high
C119AF0Static cornering light, coding resistance - electrical fault

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.