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U133800 — Servo motor for rear left air distribution - no communication

Servo motor for rear left air distribution - no communication. The Taycan, 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 U133800

Porsche Taycan

Air Conditioning

Porsche Panamera (971, 2017–2023)

Air Conditioning

Porsche Panamera (972, 2024–)

Air Conditioning

Porsche Cayenne (9YA)

Air Conditioning

How to read and clear U133800

  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 U133800 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 Air Conditioning

U133200Servo motor for right door window horizontal vent – message implausible
U133300Servo motor for rear left air flow - message implausible
U133400Servo motor for rear left air flow - no communication
U133500Servo motor for rear right air flow - message implausible
U133600Servo motor for rear right air flow - no communication
U133700Servo motor for rear left air distribution - message implausible
U133900Servo motor for right extended ventilation panel - no communication
U133A00Servo motor for right extended ventilation panel - message implausible
U134100Servo motor for center rear right horizontal vent – message implausible
U134200Servo motor for center rear right horizontal air vent – no communication
U134300Servo motor for center front left horizontal vent – message implausible
U134400Servo motor for center front left horizontal air vent – 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.