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U011000 — High-voltage power electronics control unit - no communication

High-voltage power electronics control unit - 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 U011000

Porsche Taycan

Drive Motor Control ModuleEngine Control Module 1GatewayThermal Management

Porsche 911 (992)

Battery Energy Control ModuleEngine Control Module 1GatewayTME (Thermomanagement)PDK Transmission

Porsche Panamera (971, 2017–2023)

Battery Energy Control ModuleEngine Control Module 1GatewayTME (Thermomanagement)PDK Transmission

Porsche Panamera (972, 2024–)

Battery Energy Control ModuleEngine Control Module 1GatewayTME (Thermomanagement)PDK Transmission

Porsche Cayenne (9YA)

Battery Energy Control ModuleEngine Control Module 1GatewayTME (Thermomanagement)Torque Converter (Transmission)

How to read and clear U011000

  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 U011000 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 Drive Motor Control Module

P33CA00Programming
P33D700High-voltage power electronics phase control - internal fault
U002800Hybrid CAN bus – faulty
U002900Hybrid CAN bus - no communication
U008000FlexRay data bus - synchronization
U010000Engine electronics (DME) control unit – no communication
U011200High-voltage battery control unit – no communication
U011600Thermal management control unit - missing message
U012100Brake electronics (PSM) control unit – no communication
U012A00Control unit for chassis control (PASM) – no communication
U014100Front-end electronics control unit (BCM1) - no communication
U014200Rear-end electronics control unit (BCM2) - missing message

All 143 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.