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U122500 — Implausible instrument panel control module

Implausible instrument panel control module. 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 U122500

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear U122500

  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 U122500 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 Brake Electronics

U115700Ctrl. module for rear-wheel drive, implausible message
U121F00Implausible all wheel drive control module
U122100Implausible interval control system control module
U122200Data bus - missing message
U122300Implausible A/C control module
U122400Transmission control unit, implausible
U122600Engine electronics (DME) control unit – signal implausible
U122800Implausible driver side door control module
U122900Implausible front camera for driver assistance systems
U122A00Implausible steering booster control module
U122B00Implausible chassis control module
U124100Steering-angle sensor - implausible

All 317 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.