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Specialized Turbo error code

Specialized Turbo error 7: TCU error 7 – Range extender error

Medium severity Service soon

Can I ride home with this error?

Usually safe to ride. You can ride on the main battery.

What it means

Code 7 shows a fault with the Range Extender (RE) on SL bikes, often a plug that is not fully in or wet.

Likely causes

  • RE plug not fully inserted or not locked
  • Water in the RE plug
  • Range Extender fault

Symptoms

  • Red/blue error LEDs on the TCU
  • Range Extender not used

How to fix it

  1. Check the RE plug is fully inserted in the charge port and locked.
  2. Unplug the RE and check the plug for water; let it dry.
  3. If the problem stays, contact an Authorised Specialized Retailer.
Still showing 7? The RideFixer app finds bike shops near you, so you know where to take it.

How urgent is it?

Fix before relying on the extra range.

Applies to

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