Shimano STePS E8000/E7000/E6100 — Error Code E013
Reviewed by certified eBike technicians · Last updated July 30, 2026
Quick Answer
E013 on Shimano = Speed sensor abnormal — rear wheel speed signal lost or erratic
Severity: Check soon — speed sensor issue · Limited riding OK, diagnose soon
Error E013 on your Shimano indicates: Speed sensor abnormal — rear wheel speed signal lost or erratic.
Check soon — speed sensor issue — Speed sensor abnormal — rear wheel speed signal lost or erratic
Symptoms
- E013 on display; speedometer shows 0 while riding; motor assist may cut out above certain speed; walk mode may not function properly
Common Causes
- Speed sensor magnet on rear spoke knocked out of alignment
- Sensor wire damaged near chainstay from chain slap
- Dirt or metal debris on the speed sensor pickup
- Sensor connector loose at motor
- Magnet-to-sensor gap exceeds 5mm
Fix Steps
Step 1: 1. Check speed sensor magnet on rear wheel spoke — should be present and secure
Step 2: 2. Clean sensor pickup on chainstay with dry cloth
Step 3: 3. Realign magnet to pass within 3-5mm of sensor
Step 4: 4. If magnet is missing: Shimano replacement magnets available (~$5-8)
Step 5: 5. Inspect sensor wire routing for cuts or abrasion
Step 6: 6. Unplug and firmly reconnect speed sensor connector at motor
Step 7: 7. Ride above 5 km/h for 10 seconds to reset — Shimano auto-clears speed faults
Related Error Codes
Error E010
Battery voltage abnormal — voltage outside safe operating range (below 30V or above 54V)
Error W013Walk assist error — walk assist mode not functioning or speed signal abnormal during walk mode
Error E010Motor system error — internal drive unit fault detected
Always disconnect the battery before inspecting wiring.