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GRL-PD-C2-EPR - Software Version 1.6.40.0 Release Announcement

Feb 23rd, 2026

Granite River Labs (GRL) is pleased to announce the software release for the USB
Power Delivery and USB Type-C® Tester and Analyzer.

C2-EPR USB Power Delivery and USB Type-C® Tester and Analyzer software & firmware versions:
Software version                       : 1.6.40.0
Firmware version                      : 1.3.53
Eload Firmware version           : 1.5
PPS Firmware version             : 4.0

Key updates:

  • Support added for USB PD CTS Q1 2026. 
  • Support added for Type C Functional tests 0.91. 
  • Support added for VIF Tool v3.14.0.0 
  • Compliance updated to support USB PD Specification 3.2, Version 1.1. 


Note: Effective January 2025, the GRL USB Power Delivery and USB Type-C™ Test Software will exclusively support the GRL-USB-PD-C2-EPR hardware. As a result of updated specification requirements, the GRL-USB-PD-C2 hardware will no longer receive software updates. Users can continue to operate the GRL-USB-PD-C2 hardware with the GRL USB Power Delivery and USB Type-C™ Test Software version SW v1.6.28.0, which remains available for download at link. For assistance with upgrading your GRL-USB-PD-C2 to the latest GRL-USB-PD-C2-EPR hardware, please contact GRL support.


Issues addressed:

  • COMMON.CHECK.PD.11 - Improved validation to handle the Bit0...6 (Source rated PDP) in Source Capability Extended Message.
  • TEST.PD.PS.SRC.1 - Enhanced configuration to handle the Request Message for Variable supply PDO.
  • TEST.PD.PS.SNK.1 - Adjusted validation to ensure the proper current measurement for psnksusp timer.
  • TEST.PD.USB4.CBL.1 - Improved configuration to initiate Enter USB message in SOP".
  • TEST.PD.PROT.ALL.4 - Enhanced configuration to handle the collision avoidance during the Get sink capability AMS.
  • TEST.PD.PROT.SRC.4 - Improved configuration to initiate Request message with 200% current.
  • TEST.PD.USB4.EUSB.3 - Improved validation to update the test result based on the DUT response.
  • TEST.PD.FRS.SNK3.1 - Enhanced validation to handle the test condition for the FR Swap Sequence.
  • TEST.PD.PS.SRC.3 - Improved validation to ensure the proper current measurement for the DUT request

Instructions to update the software:

  • Download the software from here

  • Run the installer and follow the instructions on the screen.

  • After installing the software, update the firmware of your GRL-USB-PD-C2/C2-EPR before running any tests.

  • If you experience any issues with the installation procedure, please submit a ticket for assistance.

Please see “ReadMe” for additional mandatory steps required for using the system.

USB Type-C®, USB-C® and USB 2.0 Type-C™ are trademarks of USB Implementers Forum

 

About Granite River Labs (GRL)

The world’s leading Engineering Services and Test Automation Solutions firm for connectivity and charging, GRL helps engineers solve tough design and validation challenges. GRL began in 2010 with a vision to provide affordable test services to help hardware developers implement digital interface technologies as they become faster, more complex, and more challenging to test. Today, GRL has worked with hundreds of companies supporting the adoption of new and emerging technologies from our worldwide test facilities and R&D centers.   


MEDIA CONTACT:

Nikhil Acharya
Technology and Solutions Product Manager
Email: support@graniteriverlabs.com


Have a question or feedback? Write to us here.