Bafang Error Code Fix Guides
Complete troubleshooting and repair guides for every Bafang motor, battery, and sensor fault code. Written to resolve the error permanently — not just clear it.
17 guides for Bafang
Bafang E-Bike Error 04: Throttle Not in Correct Position Fix
Error 04 on Bafang systems (BBS01, BBS02, BBSHD, M500, M600) signals the throttle is not returning to its zero…
Bafang E-Bike Error 08: Hall Sensor Fault Fix
Error 08 on Bafang systems signals the controller cannot read valid Hall sensor signals from the motor. This g…
Bafang E-Bike Error 09: Motor Phase Winding Fault Fix
Error 09 on Bafang systems signals a motor phase winding fault or phase wire short. While serious, many cases …
Bafang E-Bike Error 21: Speed Sensor Fault Fix
Error 21 on Bafang systems signals the speed sensor is not detecting wheel rotation. In 90 percent of cases th…
Bafang E-Bike Error 25: Torque Sensor Fault Fix
Error 25 on Bafang M-series motors (M500, M600, M420) signals a torque sensor fault. This guide covers the wir…
Bafang E-Bike Error 30: Communication Failure Fix
Error 30 on Bafang systems is the most common and most misdiagnosed Bafang fault — a display-to-controller com…
Bafang E-Bike Error 10: Motor Overtemperature Fix
Error 10 on Bafang systems signals the motor has reached its thermal limit. Learn the immediate cooldown proce…
Bafang E-Bike Error 12: Motor Overcurrent Fix
Error 12 on Bafang systems signals the motor drew current exceeding the controller limit. This guide covers me…
Bafang E-Bike Error 14: Controller Overtemperature Fix
Error 14 on Bafang systems signals the controller has exceeded its safe operating temperature. This guide cove…
Bafang E-Bike Error 07: Overvoltage Protection Fix
Error 07 on Bafang systems signals the battery voltage exceeded the controller maximum. This guide covers char…
Bafang E-Bike Error 33: Brake Detection Circuit Fault Fix
Error 33 on Bafang systems signals the brake detection circuit is showing a permanent brake-activated state. F…
Bafang M500 and M600 Error Codes: Complete Guide
Bafang M500 and M600 motors use a CAN bus protocol with different error behavior than older BBS-series UART mo…
Bafang BBSHD and BBS02 Error Codes: Complete Guide
Bafang BBSHD and BBS02B mid-drive kit error codes fully explained — from the notorious error 30 to Hall sensor…
Bafang Hub Motor Error Codes: Complete Fix Guide
Bafang rear hub motors used in Rad Power, Aventon, Lectric, and many other brands share the same error code sy…
Bafang BESST Tool: How to Read and Clear Error Codes
The Bafang BESST tool and free UART alternatives give DIY riders full access to error codes, sensor live data,…
Bafang BBSHD Error 21: Controller Overtemperature Fix
Error 21 on the Bafang BBSHD (and BBS02B) signals that the motor controller temperature has exceeded 80°C. Thi…
Bafang Error Code 30: BMS Communication Fault Explained & Fixed
Error 30 on Bafang M500, M600, and BBSHD motors indicates the controller cannot communicate with the battery B…