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PCAN-Diag FD - Firmware Version History

2020-01-24 - Version 1.3.9 (changes since 1.3.7)

Bug fixes

  • Symbolic view of variables did not update all variables correctly in case multiplexer type was set to "separate multiplexer" (PEAK Multiplexer Format). In some cases messages were not shown at all
  • CRC17/CRC21 calculation of non-ISO CAN FD frames in the scope-menu (decoder) was wrong


2018-08-28 - Version 1.3.7

Bug fixes

  • Fixed potential endless loop in power supply firmware
  • Fixed calculation of cell voltages in cases that the voltages are low

2018-05-15 - Version 1.3.6


  • Measurement > CAN termination: Removed the calibration option. It is now available via Support > Calibration CAN Termination
  • Measurement > CAN termination: Added a visual indication of the measured termination (green = ok, yellow = out of range)
  • Scope: Added "ack start delay" to reports which is the delay between the minimum expected start of ACK until the received start of ACK field)

Bug fixes

  • Power supply: There were problems with the detection of the akku charge level and the akku charging
  • Busload: Under certain conditions, the busload was not displayed coreectly
  • Minor bug fixes and changes of text labels

2018-01-09 - Version 1.3.5 (changes since 1.3.3)

  • Power supply: Fixed an issue where cells are continuously discharged when the device is off but connected to a power supply
  • Power supply: Fixed an possible issue where cell level might not set to full after charging under special conditions
  • Changing from HDMI to TFT was not working correctly when the scope-menu was started in HDMI
  • Fixed the symbolic representation for CAN FD frames with DLC > 8

2017-11-28 - Version 1.3.3 (changes since 1.3.0)


  • Some UI text adjustments

Bug fixes:

  • CAN Data: Module crashed when CAN data was displayed as symbols and symbol list was larger than display size
  • CAN Data: When option "Separate multiplexers" was selected, only multiplexed signals were displayed; all non-multiplexed signals stayed hidden
  • Scope: If no sample data is present, "Report" now doesn't show invalid data anymore but "No data available"
  • Scope: User-assigned hotkeys did not work with some functions
  • Scope: If a hotkey was set to Import or Export, the label for the hotkey was missing
  • When HDMI output was enabled and no display connected, it wasn't possible to change the internal display brightness
  • Fixed minor bugs in automated bitrate scan function

2017-07-14 - Version 1.3.0


  • Revamped the trace section
    • It is now possible to set custom trace file names
    • Performance improvements for tracing, especially when using the binary trace format
    • Enhanced the compatibility to older ASCII trace file formats from PEAK-System
  • Revamped the playback section
    • Multiple information about the currently running playback like the current loop cycle and file index are now displayed
    • The playback progress in terms of time and messages transmitted is now displayed with progress bars. The bars are drawn green when the playback is running, yellow when paused, and red when stopped
    • A warning message is shown if a trace playback was paused due to bus errors
  • User defined bitrates are now permanently stored to the bitrates.ini of the project


  • The binary trace file format is now the default file format for tracing, because of its better performance
  • Moved the battery view from the Analog Measurements menu to the new Power Supply submenu in the Support section

Bug fixes:

  • Corrected the handling of CAN frames with 29-bit IDs
  • Corrected the presentation of file lists
  • Multiple issues concerning recording and playback of CAN traffic were solved with the revamp of the trace and playback sections
  • Minor bug fixes and changes of the user interface
  • Multiple issues concerning the charge level presentation were fixed

    Please note: If your PCAN-Diag FD shows an empty battery after the firmware update, use the function “Support > Power Supply > Reset Charge Level” and charge the device. It is necessary that the PCAN-Diag FD reaches the 100% level and stops charging automatically.

2017-05-19 - Version 1.2.36

First official release

Firmware updates prior to product release ...