Drive Control Unit

The DCU controls the electric motors and the battery system.

1.29.2 (latest)

August 27th, 2026
  • Estimate the time to full when AC charging in Polestar boats

1.29.0

August 17th, 2026
  • Rudder only moves to the harbor retraction position when moving to harbor position; moving down no longer commands rudder movement
  • Fixed so there is no longer a step increase in throttle during take off when less than full throttle is used.

1.28.3

August 17th, 2026
  • Prevent steering wheel from staying stiff if C-pilot deactivates while steering wheel is actively resisting

1.28.2

June 17th, 2026
  • Internal improvements

1.28.1

June 9th, 2026
  • Internal improvements

1.28.0

May 11th, 2026
  • C-Pilot is now available
  • Standard drive mode now uses the C-Pilot throttle curve
  • Do not show spurious low supply voltage error on startup
  • Propulsion stays active when charging plug is inserted during docking

1.27.2

March 18th, 2026
  • Internal improvements

1.27.1

March 18th, 2026
  • Internal improvements

1.27.0

March 10th, 2026
  • Software stability improvements

1.26.0

February 12th, 2026
  • Improved DC fast charging with automatic retry connection and better error handling
  • Fixed start button edge detection to prevent false triggers
  • Fixed shallow mode foil retraction logic
  • Reduced unnecessary log messages for cleaner system monitoring
  • Improved battery charging algorithm with proper voltage ramping in bulk phase
  • Better steering degraded mode handling
  • Optimized task startup timing for improved system performance
  • New configuration interface for easier system management

1.25.0

November 27th, 2025
  • Enhanced GPS signal validation for more reliable positioning

1.24.1

October 28th, 2025
  • Fixes an issue with the drive controller failing to update

1.23.3

October 28th, 2025
  • Internal improvements

1.24.0

October 9th, 2025
  • RPM limiting due to low SOC is no longer latched. No longer necessary to toggle key after charging.
  • Internal improvements and diagnostics

1.23.2

August 29th, 2025
  • Internal improvements

1.23.1

August 20th, 2025
  • Internal improvements

1.23.0

August 13th, 2025
  • Report "Fully Charged" state even after unplugging, making it clearer when reconnection is needed
  • Protects Polestar batteries from deep discharge when left connected without shore power by shutting down the gateway supply after a timer
  • Improved heading controller

1.22.4

July 8th, 2025
  • Internal improvements

1.22.3

June 30th, 2025
  • Internal improvements

1.22.2

June 23rd, 2025
  • Improved cooling pump control based on HV battery temperature for better thermal management
  • Added distance tracking functionality
  • Improve thermal POD model accuracy to reduce false reports
  • Various internal optimizations and code improvements

1.22.1

June 16th, 2025
  • Improved cooling pump control based on HV battery temperature for better thermal management
  • Added distance tracking functionality
  • Improve thermal POD model accuracy to reduce false reports
  • Various internal optimizations and code improvements

1.22.0

May 26th, 2025
  • Improved cooling pump control based on HV battery temperature for better thermal management
  • Added distance tracking functionality
  • Improve thermal POD model accuracy to reduce false reports
  • Various internal optimizations and code improvements

1.21.6

May 6th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Improve motor performance at low RPM
  • Bug fixes and internal changes

1.21.5

April 10th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.21.4

April 10th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.21.3

April 4th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.21.2

April 1st, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.21.1

March 26th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.21.0

March 17th, 2025
  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes