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U10BA00 — LIN bus 1 – no communication

LIN bus 1 – no communication. 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 U10BA00

Porsche Taycan

Aerodynamics Control UnitAir ConditioningCentral ElectricsComfort System ModuleChassis ControlLane Change Assist 2Door Module, DriverDoor Module, PassengerEngine Control Module 1Information Control UnitLane Change AssistRear Axle SteeringSeat Module, DriverSeat Module, PassengerThermal Management

Porsche 911 (992)

Aerodynamics Control UnitBedienSG_vo (Bedieneinheit vorne)BCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSWA2 (Spurwechselassistent 2)Tuer_FS (Tuere vorne Fahrerseite)Tuer_BFS (Tuere vorne Beifahrerseite)Engine Control Module 1MIB2 (Zentralrechner)SWA (Spurwechselassistent)Seat Module, DriverSeat Module, PassengerTME (Thermomanagement)

Porsche Panamera (971, 2017–2023)

Aerodynamics Control UnitAir ConditioningBedienSG_vo (Bedieneinheit vorne)BCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSWA2 (Spurwechselassistent 2)Door Module, DriverDoor Module, PassengerEngine Control Module 1MIB2 (Zentralrechner)SWA (Spurwechselassistent)Rear Axle SteeringSeat Module, DriverSeat Module, PassengerSeat Control Module, Rear Driver SideSeat Control Module, Rear Passenger SideTME (Thermomanagement)

Porsche Panamera (972, 2024–)

Aerodynamics Control UnitAir ConditioningBedienSG_vo (Bedieneinheit vorne)BCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlMRR_HL (Radar HL)Tuer_FS (Tuere vorne Fahrerseite)Tuer_BFS (Tuere vorne Beifahrerseite)Engine Control Module 1MIB3 (Zentralrechner)MRR_HR (Radar HR)Rear Axle SteeringSeat Module, DriverSeat Module, PassengerSeat Control Module, Rear Driver SideSeat Control Module, Rear Passenger Side

Porsche Cayenne (9YA)

Aerodynamics Control UnitAir ConditioningBedienSG_vo (Bedieneinheit vorne)BCM1 (Body Control Module 1)BCM2 (Body Control Module 2)Chassis ControlSWA2 (Spurwechselassistent 2)Door Module, DriverDoor Module, PassengerEngine Control Module 1MIB2 (Zentralrechner)SWA (Spurwechselassistent)Rear Axle SteeringSeat Module, DriverSeat Module, PassengerTME (Thermomanagement)

How to read and clear U10BA00

  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 U10BA00 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 Aerodynamics Control Unit

C134411Supply voltage to Hall sensors 1, convertible top – short circuit to ground
C134412Supply voltage to Hall sensors 1, convertible top – short circuit to B+
C134413Supply voltage Hall sensors 1, convertible top – open circuit
P050100Vehicle speed signal from PSM
U001000Comfort CAN bus – defective
U001100Comfort CAN bus - no communication
U110000Component protection – not taught
U110100Component protection active
U110300Production mode active
U110500Transport mode active
U111100Operating and display log - missing message
U112100Data bus - missing message

All 305 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.