Bafang error 61: Shifter detection error
Bafang CAN systems (M400/M500/M600/M620, DP C18 CAN, 850C/860C CAN)Dealer neededRide with caution
On bikes with an electronic shifting system integrated into the Bafang CAN bus, the controller cannot detect the shifter or shift sensor. Assist may continue, but shift assist (motor pause while shifting) and automatic shifting are disabled.
Likely causes
- Shift sensor or electronic shifter connector unplugged or wet
- Damaged cable to the shifter
- Shifter module fault
- Firmware mismatch after an update
How to fix Bafang error 61
- Check the shifter/shift sensor connector; clean, dry and re-seat
- Power cycle
- Inspect the cable for damage
- Have the dealer check firmware compatibility and replace the module if needed
Go to a dealer if: Go to a shop if a clean connector does not help; electronic shifting modules need dealer tools.
Warranty: If the bike or kit is under warranty (usually 1-2 years via the seller), contact them before opening anything, as opened motors and controllers can void the claim.
Typical cost: Shift sensor EUR/USD 20-50; electronic shifter module EUR/USD 100-300.
Warranty: If the bike or kit is under warranty (usually 1-2 years via the seller), contact them before opening anything, as opened motors and controllers can void the claim.
Typical cost: Shift sensor EUR/USD 20-50; electronic shifter module EUR/USD 100-300.
Still stuck? Take a photo of the display and show it to a local e-bike workshop. Bring the bike's system name (e.g. Bosch Performance Line CX) and the exact code; that saves diagnostic time and money.
Frequently asked
Can I reset error 61?
Power cycle after checking the connector.
Can I keep riding?
Usually yes; shifting under power will be rougher.
Warranty?
Yes for the module; cable damage is excluded.
Related Bafang codes
Not an official Bafang document. Compiled from workshop experience and public service information; details can differ per system version and bike brand.