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Bike Information: • Model: Surron Light Bee X 2023, L1E (Street legal) • Ownership: Since December 2023 • Mileage: 4800 km • Typical Use: Mostly street riding with some light off-road (no heavy jumps) • Mode: Usually ride in C0 (uncapped mode via brake brake lever controller coding) • Braking Setup: Regenerative braking used initially, but currently turned off. E-brake sensors deactivated(P0). Recent Issue Timeline: • Issue Onset: Began around mid-summer, 2 months ago • Weather Exposure: Some rain riding, but the issue didn't occur during or after rain exposure. What I've Tried: 1. Checked and reconnected all plugs (controller and horn) 2. Tested without e-brake sensors (issue persisted) 3. Regularly cut power before unplugging and follow proper startup protocol (wait for the screen to display 0) 4. Always charge between 20% and 80% Additional Info: • Bike is completely stock, no modifications or cut cables. • The horn also stopped working (plugs checked and seem fine). In the video below, I detail the problem and explain what I've tried so far. If anyone has encountered a similar issue or knows where to start (new controller, battery, etc.), your advice would be much appreciated! ​ Video : https://www.youtube.com/watch?v=_VAaaGTlcvU