Scania COO DTC 1291 Vehicle speed replacement values, poor signal status

COO Coordinator · Scania · 2 variants

Code 1291 (decimal). Some diagnostic tools show it in hexadecimal as 00050B.

In short

Vehicle speed replacement values from the EBS control unit are received with poor signal status in the coordinator.

Variant 1

Applies to: COO10 (COO)

What does Scania COO fault code 1291 mean?

What causes Scania DTC 1291?

How does the system react?

How to fix Scania COO fault code 1291?

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.

Variant 2: Vehicle speed, poor signal status

Applies to: COO11 (COO)

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

Code 1291 in other Scania systems