Shimano STEPS / EP error E033: Firmware not compatible with the system

What it means

One or more parts have firmware that is not compatible with the rest of the system, so assist is not provided.

Likely causes

• Parts replaced with mismatched firmware versions

Symptoms

• No assist
• E033 shown

How to fix it

1. Contact your place of purchase. A dealer can update firmware for all units with E-TUBE PROJECT.

How urgent is it?

Firmware update needed.

Applies to

• STEPS E8000 (SC-E8000, SC-E6010)
• STEPS E6100 / E5000 (SC-E6100)
• STEPS E7000 (SC-E7000)

More Shimano STEPS / EP codes

• E024 Communication error with the bike system
• E025 Genuine drive unit not connected / cable disconnected
• E030 Setting / component mismatch
• E043 Cycle computer firmware may be damaged
• E295 Tampering detected
• E299 Safe Mode (after repeated tampering)

All 22 Shimano STEPS / EP codes →