RideFixer

Specialized Turbo error code

Specialized Turbo error 6: TCU error 6 – TCU coin cell battery low

Low severity When convenient

Can I ride home with this error?

Usually safe to ride. Safe to ride.

What it means

The TCU has a small coin cell battery (CR1620 on Levo/SL TCUs). Code 6 means it is running low.

Likely causes

  • Old coin cell battery

Symptoms

  • Red/blue error LEDs on the TCU

How to fix it

  1. Replace the coin cell battery in the TCU (see your manual for the type).
  2. Make sure the new cell is fully seated.
Still showing 6? The RideFixer app finds bike shops near you, so you know where to take it.

How urgent is it?

Replace the coin cell when convenient.

Applies to

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