Bosch error codes

91 codes. Tap a code for meaning, causes and the fix.

All Bosch codes

• 0x5A1004 – Internal drive unit software fault Dealer needed
• 0x5AA020 – Engine calibration fault on drive unit Dealer needed
• 0x5B1030 – Motor internal critical temperature error Warning
• 0x54D021 – Drive unit too cold to run Warning
• 0x53102D – Outdated software detected, motor support off Dealer needed
• 0x53102E – Software variant mismatch on drive unit Dealer needed
• 0x503001 – Speed sensor signal missing or invalid Dealer needed
• 0x503002 – Speed sensor magnet misplaced or tampered Dealer needed
• 0x503003 – Tampering detected at the speed sensor Dealer needed
• 0x503004 – Speed sensor tampering and magnet misalignment Dealer needed
• 0x504001 – Speed signal tampering detected, reduced assist Dealer needed
• 0x504002 – Tampering With Speed Signal Detected Dealer needed
• 0x510001 – Internal sensor error stalling motor assist Dealer needed
• 0x510003 – Internal sensor fault at startup Dealer needed
• 0x511001 – Acceleration sensor failure in the drive unit Dealer needed
• 0x512001 – ABS and fleet parameters both enabled Dealer needed
• 0x520001 – ABS component not recognised by drive unit Dealer needed
• 0x520002 – ABS component recognised without configuration Dealer needed
• 0x521001 – Bosch ABS authentication error Dealer needed
• 0x522001 – ABS Communication Timeout And No ABS Function Dealer needed
• 0x530001 – Bosch battery authentication fault Dealer needed
• 0x531001 – Parameter Mismatch Between Drive Components Dealer needed
• 0x531005 – Internal communication error between drive components Dealer needed
• 0x531027 – Motor support mode starting fault Dealer needed
• 0x531029 – Bike type parameter mismatch with drive unit Dealer needed
• 0x532001 – CAN communication fault between drive unit and battery Dealer needed
• 0x540022 – Drive unit overheat protection triggered Warning
• 0x550023 – Inadmissible electrical load on motor output Dealer needed
• 0x550350 – Front light failure detected by drive unit Fix at home
• 0x550351 – Rear light defective or not detected Fix at home
• 0x550354 – 12 V outlet drawing excess current Dealer needed
• 0x550355 – Short circuit on the 12 V outlet Dealer needed
• 0x550357 – Front light short circuit fault Fix at home
• 0x550358 – Short circuit in the rear light circuit Fix at home
• 0x550359 – Short circuit detected on on-board computer Dealer needed
• 0x580001 – Outdated system software detected Dealer needed
• 0x580002 – Battery software out of date Dealer needed
• 0x591001 – Drive unit authentication error Dealer needed
• 0x592001 – On-board computer lacks eShift support Dealer needed
• 0x593001 – eShift hardware container mismatch, no motor assist Dealer needed
• 0x595001 – CAN bus communication lost with eShift Dealer needed
• 410 – On-board computer buttons blocked Fix at home
• 414 – Remote / control unit connection problem Dealer needed
• 418 – Remote / control unit buttons blocked Fix at home
• 419 – Configuration error Dealer needed
• 422 – Drive unit connection problem Dealer needed
• 423 – Battery connection problem Fix at home
• 424 – Communication error between components Dealer needed
• 426 – Internal time-out error Fix at home
• 430 – On-board computer internal battery empty Fix at home
• 431 – Software version error Dealer needed
• 440 – Internal fault in the drive unit Dealer needed
• 450 – Internal software error Dealer needed
• 460 – USB error Fix at home
• 490 – Internal fault in the on-board computer Dealer needed
• 500 – Internal fault in the drive unit Dealer needed
• 502 – Fault in the bike lighting Fix at home
• 503 – Drive unit fault (usually overheating) Warning
• 504 – Speed signal manipulation detected Warning
• 505 – Internal fault in the drive unit Dealer needed
• 506 – Internal fault in the drive unit Dealer needed
• 510 – Internal sensor error Dealer needed
• 511 – Internal fault in the drive unit Dealer needed
• 530 – Battery error Fix at home
• 531 – Configuration error Dealer needed
• 540 – Temperature error Warning
• 550 – Invalid load detected Fix at home
• 580 – Software version error Dealer needed
• 591 – Authentication error Dealer needed
• 592 – Incompatible component Dealer needed
• 593 – Configuration error Dealer needed
• 595 – Communication error Dealer needed
• 596 – Communication error Dealer needed
• 602 – Internal battery error during charging Dealer needed
• 603 – Internal battery error Dealer needed
• 605 – Battery temperature error Warning
• 606 – External battery error Dealer needed
• 610 – Battery voltage error Dealer needed
• 620 – Charger error Fix at home
• 640 – Internal battery error Dealer needed
• 655 – Multiple battery errors Dealer needed
• 656 – Software version error (battery) Dealer needed
• 800 – Internal ABS fault Dealer needed
• 810 – Implausible signals from the wheel speed sensor Fix at home
• 820 – Fault in the front wheel speed sensor cable Dealer needed
• 840 – Implausible signals from the rear wheel speed sensor Fix at home
• 850 – Fault in the rear wheel speed sensor cable Dealer needed
• 860 – ABS power supply fault Dealer needed
• 870 – ABS communication error Dealer needed
• 880 – ABS software version error Dealer needed
• 890 – ABS warning lamp fault Dealer needed

Manuals and video

• Bosch eBike Help Center: official error-code index
• Bosch eBike downloads: quick start guides and battery guide
• Bosch eBike dealer search (DiagnosticTool readout)