Scania CMS DTC 686 Information fault, feedback from automatic vehicle level control

CMS CMS control unit · Scania

Code 686 (decimal). Some diagnostic tools show it in hexadecimal as 02AE.

In short

Fault in feedback from the automatic vehicle level control.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 686 mean?

What causes Scania DTC 686?

What are the symptoms?

How to fix Scania CMS fault code 686?

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 686 in other Scania systems

Compare code 686 in every system →