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U110100 — Component protection active

Component protection active. 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 U110100

Porsche Taycan

Adaptive Cruise ControlAerodynamics Control UnitAirbagOn-Board Charger 2On-Board ChargerBattery Energy Control ModuleRear Operating UnitBrake ElectronicsCentral ElectricsComfort System ModuleChassis ControlLane Change Assist 2Instrument ClusterDC/DC ConverterDrive Motor Control ModuleEngine Control Module 1Front Corner Radar 1Front Corner Radar 2Front Assist CameraGatewayInformation Control UnitLane Change AssistLaser ScannerNight Vision AssistOTA Function Control UnitSound SystemTelematics Communication Unit

Porsche 911 (992)

ACC (Abstandsregelung)Aerodynamics Control UnitSC (Airbag)BedienSG_vo (Bedieneinheit vorne)Brake ElectronicsBCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSWA2 (Spurwechselassistent 2)Kombi LGConvertible Top Control UnitEngine Control Module 1ZFAS (Zentrales Fahrer Assistenz System)GatewayMIB2 (Zentralrechner)SWA (Spurwechselassistent)NightVision (Waermebildkamera)DSP (Audioverstaerker)Telematics Communication UnitPDK TransmissionVTS (Diebstahlverfolgungssystem)

Porsche Panamera (971, 2017–2023)

ACC2 (Abstandsregelung 2)PACCh (Berechnung optimale Fahrstrategie)ACC (Abstandsregelung)Aerodynamics Control UnitSC (Airbag)On-Board ChargerBattery Energy Control ModuleBedienSG_hi (Bedieneinheit hinten)BedienSG_vo (Bedieneinheit vorne)Brake ElectronicsBCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSDC2 (Anzeige Bedieneinheit HL)SDC1 (Anzeige Bedieneinheit HR)SWA2 (Spurwechselassistent 2)KombiDrive Motor Control ModuleGatewayMIB2 (Zentralrechner)SWA (Spurwechselassistent)DVD WechslerNight Vision AssistDSP (Audioverstaerker)Telematics Communication UnitTV TunerVTS (Diebstahlverfolgungssystem)

Porsche Panamera (972, 2024–)

ACC (Abstandsregelung)Aerodynamics Control UnitSC (Airbag)On-Board ChargerBedienSG_hi (Bedieneinheit hinten)BedienSG_vo (Bedieneinheit vorne)Brake ElectronicsBCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlMRR_HL (Radar HL)Kombi LGEngine Control Module 1MRR_VR (Radar VR)MRR_VL (Radar VL)ZFAS (Zentrales Fahrer Assistenz System)GatewayMIB3 (Zentralrechner)MRR_HR (Radar HR)NightVision (Waermebildkamera)DSP (Audioverstaerker)Telematics Communication Unit

Porsche Cayenne (9YA)

PACCh (Berechnung optimale Fahrstrategie)ACC (Abstandsregelung)Aerodynamics Control UnitSC (Airbag)On-Board ChargerBattery Energy Control ModuleBedienSG_hi (Bedieneinheit hinten)BedienSG_vo (Bedieneinheit vorne)Brake ElectronicsBCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSDC2 (Anzeige Bedieneinheit HL)SDC1 (Anzeige Bedieneinheit HR)SWA2 (Spurwechselassistent 2)KombiEngine Control Module 1MRR_VR (Radar VR)MRR_VL (Radar VL)ZFAS (Zentrales Fahrer Assistenz System)GatewayMIB2 (Zentralrechner)SWA (Spurwechselassistent)DVD WechslerNight Vision AssistDSP (Audioverstaerker)Telematics Communication UnitVTS (Diebstahlverfolgungssystem)

How to read and clear U110100

  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 U110100 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 →

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Other codes of the Adaptive Cruise Control

U101100Supply voltage – too low
U101200Supply voltage – too high
U101300Coding
U101400Coding
U103100FlexRay data bus, No synchronization
U110000Component protection – not taught
U110300Production mode active
U110400Expanded bus operation active
U110500Transport mode active
U111200Data bus - implausible message
U111400Component protection – authentication failed (GFA)
U111C00Presentation mode active

All 53 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.