E-Bike & Scooter Error Code Database
Free roadside diagnostic reference for Bafang, Rad Power, Bosch and more. Find error code meanings, symptoms, and step-by-step fix guides. Built for commuters, delivery riders, and DIY mechanics who need answers fast.
15Error Codes
8Brands
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🔋 Battery Range Calculator
Estimate your eBike's remaining range based on battery voltage, capacity, and riding conditions.
Popular Error Codes
Shimano · Error E010
Battery voltage abnormal — voltage outside safe operating range (below 30V or above 54V)
E...
Specialized · Error W04Motor temperature warning — approaching thermal limit (85°C internal temp detected)
W...
Yamaha · Error 15Torque sensor calibration error — sensor reading out of range or signal lost
E...
Brose · Error 20Battery temperature warning — battery outside optimal 10-40°C range
E...
Engwe · Error 09Controller overtemperature — internal temperature exceeded 85°C safety limit
E...
Bafang · Error 30Communication failure between display and motor controller
D...
Battery Range Degradation Estimator
See how your battery capacity degrades over charge cycles.
Brands
Bafang
4 error codes
Bosch
3 error codes
Brose
1 error codes
Engwe
1 error codes
Rad Power Bikes
3 error codes
Shimano
1 error codes
Specialized
1 error codes
Yamaha
1 error codes
🔬 Our Diagnostic Methodology
STEP 1
Data Source
eBike manufacturer service manuals, EN 15194 test data
STEP 2
Verification
Cross-referenced with real-world repair shop data
STEP 3
Update Cycle
Monthly review with new model releases
STEP 4
Standards
EN 15194 (EU), UL 2849 (US), IEC 62133 (battery safety)
📋 Data Sources & Standards
- EN 15194:2017 (European eBike standard)
- UL 2849 (US eBike safety certification)
- IEC 62133 (Battery safety)
- Manufacturer Service Manuals (Shimano STEPS, Bosch eBike Systems, Bafang BBSHD)
- Real-world repair shop data