Bosch Smart System error codes
The Smart System shows a six-character code that can include the letters A–F (e.g. 50000D), and the display shows a QR code linking to Bosch’s own help page for the fault. Older Bosch bikes (before 2022) use three-digit codes with a different table.
Trolda reads live data from Bosch Smart System bikes. What Trolda shows on your bike
No code matches. Check that you typed it exactly as the display shows it.
| Code | Part | What it means |
|---|---|---|
| 110001 | Control unit | The control unit detected a fault and restarted the bike |
| 111000 | Control unit | A known fault that has been fixed in newer software |
| 112001 | Control unit | A known fault that has been fixed in newer software |
| 112002 | Control unit | Error in the control unit’s configuration |
| 112100 | Control unit | Communication fault in the control unit; the bike may switch on by itself |
| 113001 | Control unit | A known fault that has been fixed in newer software |
| 113103 | Control unit | Memory fault in the control unit; the bike may switch on by itself |
| 113111 | Control unit | Memory fault in the control unit |
| 113121 | Control unit | No connection to your phone, or the connection was lost |
| 131000 | Control unit | A button on the control unit is read as being held down all the time |
| 132000 | Control unit | A known fault that has been fixed in newer software |
| 141000 | Control unit | Fault in the control unit’s built-in battery |
| 142002 | Control unit | The power supply to the control unit isn’t working properly |
| 143001 | Control unit | A known fault that has been fixed in newer software |
| 144000 | Control unit | The charger on the USB port supplies too little voltage, so the control unit isn’t charging |
| 152001 | Control unit | The control unit is too hot; assistance may cut out and the bike may switch off |
| 153001 | Control unit | The control unit is too hot; assistance may cut out and the bike may switch off |
| 153002 | Control unit | The control unit is too hot, so its LEDs are dimmed heavily |
| 1B0001 | Display | The wireless control unit’s battery is nearly flat; the connection may drop |
| 1B7610 | Gears | No contact with the electronic gear hub; shifting may fail |
| 1B7701 | Gears | Serious fault in the electronic gear system; shifting may fail |
| 1B7740 | Gears | Serious fault in the electronic gear system; shifting may fail |
| 1C7440 | Gears | The gear motor has jammed, often after shifting under heavy pedalling |
| 1C7443 | Gears | Supply voltage to the electronic gear system is too low; shifting may fail |
| 1C7741 | Gears | A sensor in the electronic gear system is faulty |
| 400001 | Display | The display has test software that isn’t meant for normal use |
| 400002 | Display | The display is a pre-production sample and must be replaced |
| 420001 | Display | The display is too cold and responds slowly |
| 420002 | Display | The display is too hot |
| 420003 | Display | A known fault that has been fixed in newer software |
| 431003 | Display | A known fault that has been fixed in newer software |
| 431601 | Display | A known fault that has been fixed in newer software |
| 431801 | Display | A known fault that has been fixed in newer software |
| 431D01 | Display | A known fault that has been fixed in newer software |
| 500006 | Motor | Fault in the motor control; motor assistance may cut out |
| 500007 | Motor | Fault in the motor control; motor assistance may cut out |
| 500008 | Motor | Fault in the motor control; motor assistance may cut out |
| 50000D | Motor | Fault in the motor control; motor assistance may cut out |
| 500011 | Motor | A known fault that has been fixed in newer software |
| 500012 | Motor | Fault in the motor control; motor assistance may cut out |
| 500017 | Motor | Fault in the motor control; motor assistance may cut out |
| 501001 | Motor | Fault in the motor control; motor assistance may cut out |
| 501005 | Motor | Fault in the motor control; motor assistance may cut out |
| 501011 | Motor | Fault in the motor control; motor assistance may cut out |
| 50100B | Motor | The motor is too hot, for example on hot days or with a heavy load |
| 502001 | Motor | Fault in the motor control; motor assistance may cut out |
| 503001 | Motor | The motor is too hot; assistance may cut out and the bike may switch off |
| 50300A | Lights | Fault on the motor’s light output; the lights may go out |
| 503017 | Motor | Fault in the motor control; the bike may switch off |
| 503018 | Motor | Fault in the motor control; the bike may switch off |
| 50301E | ABS | The motor loses contact with the ABS and goes into emergency mode with reduced power |
| 50301F | ABS | Communication fault in the ABS; the motor goes into emergency mode with reduced power |
| 505004 | Motor | Fault in the motor control; motor assistance may cut out |
| 510001 | Torque sensor | The torque sensor is failing; no motor assistance or walk assist |
| 510002 | Torque sensor | The torque sensor is failing; no motor assistance or walk assist |
| 510005 | Torque sensor | The torque sensor is failing; no motor assistance or walk assist |
| 511001 | Sensor | The acceleration sensor in the motor is failing; speed may be shown wrongly |
| 511102 | Sensor | The position sensor in the motor is failing; speed may be shown wrongly |
| 51301C | Motor | The motor is too hot and has switched off |
| 514001 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is limited |
| 514002 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is limited |
| 514003 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is limited |
| 515001 | Motor | A known fault that has been fixed in newer software |
| 515003 | Motor | Walk assist stopped because the crank or rear wheel is blocked |
| 518121 | Motor | The motor isn’t set up correctly; motor assistance may be missing |
| 522000 | Torque sensor | A magnet near the motor, on a pedal or crank, is disturbing the torque sensor |
| 523001 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is reduced |
| 523003 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is limited |
| 523004 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is reduced |
| 523005 | Speed sensor | The rim magnet gives too weak a signal to the speed sensor |
| 523006 | Speed sensor | The speed sensor is failing; speed is shown wrongly and power is reduced |
| 524001 | Speed sensor | The speed signal looks tampered with (tuning), so the motor goes into emergency mode |
| 525002 | Speed sensor | The speed signal looks tampered with (tuning), so the motor goes into emergency mode |
| 525003 | Speed sensor | The speed signal looks tampered with (tuning), so the motor goes into emergency mode |
| 525004 | Speed sensor | The speed signal looks tampered with (tuning), so the motor goes into emergency mode |
| 530002 | Motor | The motor is set up wrongly and has no speed signal; assistance is limited |
| 540022 | Motor | The motor is too hot; motor assistance may cut out |
| 542001 | Motor | A known fault that has been fixed in newer software |
| 550001 | Lights | The lights are off, but the bike is set up with mandatory lights |
| 566100 | Motor | Configuration error; both motor assistance and lights may be missing |
| 610003 | Battery | The battery has been disabled, usually by the dealer |
| 610007 | Battery | A known fault that has been fixed in newer software |
| 620002 | Charger | Charging current too high, so charging stopped; the charger may be faulty or not from Bosch |
| 620004 | Battery | The battery’s discharge current is too high, so charging was stopped |
| 620005 | Battery | The battery reports a current fault |
| 620011 | Battery | The battery reports a current fault |
| 620013 | Battery | The battery reports a current fault |
| 630002 | Battery | The battery reports a fault; the bike may switch off |
| 630003 | Battery | The battery reports a fault; the bike may switch off |
| 630004 | Battery | The battery reports a fault; the bike may switch off |
| 63000B | Battery | The battery reports a fault; the bike may switch off |
| 650001 | Battery | The battery reports a fault; the bike may switch off |
| 660002 | Battery | Internal fault in the battery |
| 660003 | Battery | The battery has detected a short circuit |
| 670001 | Charger | Charging couldn’t start |
| 670003 | Battery | More than one battery is connected, but the bike is designed for just one |
| 670005 | Charger | The charger is a pre-production sample and must be replaced |
| 680001 | Battery | Temperature fault in the battery |
| 680004 | Battery | Temperature fault in the battery |
| 680007 | Battery | The battery is too cold to charge |
| 680008 | Battery | The battery is too hot |
| 68000A | Battery | Temperature fault in the battery |
| 68000E | Battery | The battery is too hot |
| 680010 | Battery | Temperature fault in the battery |
| 680011 | Battery | Temperature fault in the battery |
| 680015 | Battery | The battery is too cold; assistance may be missing or the bike may switch off |
| 68001A | Battery | The battery is too hot |
| 690051 | Battery | A known fault that has been fixed in newer software |
| 690064 | Battery | Voltage fault in the battery |
| 690076 | Battery | Voltage fault in the battery |
| 6A0000 | Battery | The battery software is too old to work with two batteries (DualBattery) |
| 6A0001 | Battery | More than two batteries are connected to the bike |
| 6A0002 | Battery | The bike has detected a battery that isn’t from Bosch |
| 6A0004 | Range extender | The bike doesn’t support a PowerMore range extender |
| 6A0007 | Battery | Can’t charge both batteries |
| 800002 | ABS | The ABS control unit isn’t working, so ABS is unavailable |
| 800004 | ABS | The ABS control unit isn’t working, so ABS is unavailable |
| 810000 | ABS | The ABS can’t measure wheel speed, so ABS is unavailable |
| 820000 | ABS | Weak signal from the ABS sensor on the front wheel |
| 830000 | ABS | Weak signal from the ABS sensor on the rear wheel |
| 831001 | ABS | The ABS can’t measure the rear wheel’s speed |
| 832000 | ABS | Fault in the ABS speed measurement on the rear wheel |
| 8F0100 | ABS | The ABS unit is a pre-production sample; ABS and assistance may be missing or limited |
| 901002 | Connectivity module | A known fault that has been fixed in newer software |
| 902002 | Connectivity module | A known fault that has been fixed in newer software |
| 902008 | Connectivity module | The ConnectModule isn’t responding; modem fault |
| 902009 | Connectivity module | The ConnectModule isn’t responding; modem fault |
| 90500A | Connectivity module | The ConnectModule’s built-in battery isn’t working properly |
| 90500E | Connectivity module | The ConnectModule’s battery is almost empty and won’t charge because it’s too hot or cold |
Sources
- Bosch eBike Help Center – én side per feilkode (2026-10-04)
Explained in Trolda's own words from the manufacturer's public documentation. Trolda is not affiliated with the manufacturer. If in doubt, ask your dealer.
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