Scania COO DTC 557 Vehicle speed signal

COO Coordinator · Scania · 6 variants

Code 557 (decimal). Some diagnostic tools show it in hexadecimal as 022D.

In short

The vehicle speed signal from the vehicle speed sensor or tachograph has been implausibly high.

Variant 1: Speed signal

Applies to: COO10 (COO)

What does Scania COO fault code 557 mean?

What causes Scania DTC 557?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 557?

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
Get Premium – 7,50 € / month I already have an account

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

Variant 2: Speed signal

Applies to: COO11 (COO)

Variant 3

Applies to: COO8 (COO)

Variant 4

Applies to: COO9 (COO)

Variant 5

Applies to: COO7

Variant 6

Applies to: COO8

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

Code 557 in other Scania systems

Compare code 557 in every system →