Scania BCS DTC 20 Start signals

BCS BCS control unit · Scania

Code 20 (decimal). Some diagnostic tools show it in hexadecimal as 0014.

In short

Conflicting start signals from the starter switch in the engine compartment.

Applies to: BCS1

What does Scania BCS fault code 20 mean?

What causes Scania DTC 20?

How does the system react?

How to fix Scania BCS fault code 20?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included

Yearly plan: pay 10 months, get 12. Cancel at any time.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 20 in other Scania systems

Compare code 20 in every system →