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U149A00 — Actuator 2 for exterior noise, no communication

Actuator 2 for exterior noise, 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 U149A00

Porsche Taycan

Gateway

Porsche 911 (992)

Gateway

Porsche Panamera (971, 2017–2023)

Gateway

Porsche Panamera (972, 2024–)

Gateway

Porsche Cayenne (9YA)

Gateway

How to read and clear U149A00

  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 U149A00 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 Gateway

U144600Brake electronics control module 2, no communication
U146000FlexRay Databus branch 13, faulty
U146100FlexRay Databus branch 14, faulty
U146200FlexRay Databus branch 15, faulty
U146300FlexRay Databus branch 16, faulty
U146900Lane change assistance control module 2, implausible signal
U149B00Remote multifunction module, no communication
U149C00Remote multifunction module, no communication at the second bus connection
U149D00Remote multifunction module, no communication at the third bus connection
U14A500Ethernet databus branch 9, Electrical malfunction
U14A600Ethernet databus branch 10, Electrical malfunction
U14A700Ethernet databus branch 11, Electrical malfunction

All 374 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.