Scania COO DTC 652 Starter lock

COO Coordinator · Scania · 6 variants

Code 652 (decimal). Some diagnostic tools show it in hexadecimal as 028C.

In short

The start signal (50) from the starter lock to the coordinator has been active for too long.

Variant 1

Applies to: COO10 (COO)

What does Scania COO fault code 652 mean?

What causes Scania DTC 652?

How does the system react?

What are the symptoms?

How to fix Scania COO fault code 652?

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

Applies to: COO11 (COO)

Variant 3

Applies to: COO8 (COO)

Variant 4

Applies to: COO9 (COO)

Variant 5: Signals from the starter lock

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 652 in other Scania systems