UCSI PPM failed to complete UCSI command in a timely manner. Please contact UCSI device or system manufacturer to investigate. (Command:GetAlternateModes)
I was having an issue with a Lenovo Laptop T16 Gen 1 (Type 21CH, 21CJ) Laptop (ThinkPad) - Type 21CH where the USB c ports were not recognizing docking stations, power cables or any other USB C devices. I noticed in the device manager the UCSI Device was throwing an error Windows has stopped this device because it has reported problems. (Code 43) UCSI PPM failed to complete UCSI command in a timely manner. Please contact UCSI device or system manufacturer to investigate. (Command:GetAlternateModes) After Doing some researched I followed the following steps. However these steps did not fix the issue. Do these in order; test USB‑C after each step: Fully power‑drain / EC reset Shut down Windows completely (do not just restart). Unplug the charger and disconnect all USB‑C devices and docks. Hold the power button for 40–60 seconds to discharge the embedded controller (on many laptops this clears UCSI/USB‑C firmware hangs). Wait 30 seconds, then power on on batte...