Bafang DP E162.CAN / E163.CAN code list · Bafang DP E162 / E163 Display
Error 4C on Bafang DP E162 / E163 Display
What it means + how to fix it From the manual
Quick answer
Error 4C on the Bafang E162 / E163 means “Voltage difference between single cell.” Most likely cause: the battery's cells are badly out of balance. Try this first: switch off.
Only occurs on systems with a smart BMS and Bafang CAN. The manual's fix is to replace the battery.
Try this first
Free, and each takes under 5 minutes.
In plain English
The battery's management system has found a voltage difference between its cells. Bafang's manual gives battery replacement as the fix, so this is a shop job.
Step-by-step checklist
Work from the top. Steps go from free and easy to shop jobs. Switch the bike off before touching any connector. Tick each step as you go. Your progress is saved on this device.
Parts you might need
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Only buy a part if the free steps didn't fix it. Always match the voltage and connector type to your bike.
- Link coming soon
Replacement e-bike battery
Only if a shop confirms your battery is worn out or faulty. Must match voltage, mount and connector.
Still not fixed?
Pages to try next:
When it's time for a shop: if you've worked through every step and the problem is still there, take the bike to an e-bike shop. Bring your notes on when it happens, plus the code.
Words on this page: BMS (battery management system)CAN