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U015100 — Airbag control unit - missing message

Airbag control unit - missing message. 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 U015100

Porsche Taycan

Air ConditioningBrake ElectronicsDrive Motor Control ModuleEngine Control Module 1GatewayImage Processing ElectronicsLock ElectronicsThermal Management

Porsche 911 (992)

Battery Energy Control ModuleBrake ElectronicsDC/DC Converter Control Module HVDrive Motor Control ModuleEngine Control Module 1GatewayImage Processing ElectronicsTME (Thermomanagement)PDK Transmission

Porsche Panamera (971, 2017–2023)

Air Conditioning48 V Battery Management SystemBattery Energy Control ModuleBrake ElectronicsDrive Motor Control ModuleEngine Control Module 1GatewayGQS (Quersperre)TME (Thermomanagement)PDK Transmission

Porsche Panamera (972, 2024–)

Air ConditioningBattery Energy Control ModuleBrake ElectronicsDC/DC Converter Control Module HVDrive Motor Control ModuleEngine Control Module 1GatewayGQS (Quersperre)TME (Thermomanagement)PDK Transmission

Porsche Cayenne (9YA)

Air Conditioning48 V Battery Management SystemBattery Energy Control ModuleBrake ElectronicsDC/DC Converter Control Module HVDrive Motor Control ModuleEngine Control Module 1GatewayImage Processing ElectronicsGQS (Quersperre)TME (Thermomanagement)Torque Converter (Transmission)

How to read and clear U015100

  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 U015100 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 Air Conditioning

U010000Engine electronics (DME) control unit – no communication
U010100Lost Communication with TCM
U011200High-voltage battery control unit – no communication
U011600Thermal management control unit - missing message
U012900Brake electronics (PSM) control unit - no communication
U014200Rear-end electronics control unit (BCM2) - missing message
U015500Instrument cluster control unit - missing message
U016600Auxiliary heater control unit - no communication
U016B00Electric air-conditioning compressor (V470), no communication
U019900Driver-side door control unit - no communication
U020000Door control unit, passengerʼs side - no communication
U020100Control unit for door on rear driver’s side - no communication

All 418 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.