Release CCS S55a – May 29, 2025

1. Changes:
1.1. New PDM control system: each PDM is now managed independently
1.2. Power limitation added for the SECC (charging controller)
1.3. Fixed charging issues with VW E-Golf
1.4. Smooth current reduction added for connector overheating protection
1.5. Improved CAN message handling — increased charging reliability
1.6. Major firmware update improvements: faster, safer, more stable
1.7. Updated logging system — faster and shows restart reasons
1.8. Migration to modern dependency versions
1.9. Multiple technical enhancements, stability confirmed with UUGP PDMs
1.10. Fixed “Waiting for authorization” display message
1.11. Refined PDM model handling for billing
1.12. Dynamic current adjustment during the session to prevent connector and vehicle port damage from overheating, with flexible configuration of temperature and current limits
1.13. Implemented extended diagnostics of PDMs state

2. Requirements:
2.1. PDM Compatibility: UUGP (Green Power) only
2.2. Modem firmware version L5f or higher required

3. Feature configuration:
🟡Overheating protection logic is disabled by default