Scania COO DTC 16386 Increase in engine speed

COO Coordinator · Scania

Code 16386 (decimal). Some diagnostic tools show it in hexadecimal as 4002.

In short

One of the two switches for manual adjustment of the increase in engine speed has been activated for an implausibly long time.

Applies to: COO4 IMCOO4 IM (Slave)

What does Scania COO fault code 16386 mean?

What causes Scania DTC 16386?

How does the system react?

How to fix Scania COO fault code 16386?

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 16386 in other Scania systems