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P160900 — Crash switch-off was triggered

Crash switch-off was triggered. 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 P160900

Porsche Taycan

Battery Energy Control ModuleDrive Motor Control ModuleEngine Control Module 1

Porsche 911 (992)

Battery Energy Control ModuleDrive Motor Control ModuleEngine Control Module 1Roll Control System 2PDK Transmission

Porsche Panamera (971, 2017–2023)

48 V Battery Management SystemBattery Energy Control ModuleDrive Motor Control ModuleEngine Control Module 1PDK Transmission

Porsche Panamera (972, 2024–)

Battery Energy Control ModuleDrive Motor Control ModuleEngine Control Module 1PDK Transmission

Porsche Cayenne (9YA)

48 V Battery Management SystemBattery Energy Control ModuleDrive Motor Control ModuleEngine Control Module 1Torque Converter (Transmission)

How to read and clear P160900

  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 P160900 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 Battery Energy Control Module

P0DAC00Hybrid/EV Battery Cell Balancing Circuit "A"
P0DAF00Hybrid/EV Battery Cell Balancing Circuit "A" Range/Performance
P0E2F00High Voltage Fuse "B"
P0E3000High Voltage Fuse "C"
P0E7400Hybrid/EV Battery Voltage Internal Isolation Fault
P151A00Control module, incorrect code
P168A00Reversible crash shut-off was triggered
P1A0100Crash signal monitoring, failed
P1A3700Cell module control unit – implausible overvoltage
P1B1500Hybrid battery precharge resistance, Excess temp.
P1B1600Charging hybrid battery, No external charge detected
P1B1B00Control unit – function restriction

All 198 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.