Scania CMS DTC 679 Information fault, charging or engine start

CMS CMS control unit · Scania

Code 679 (decimal). Some diagnostic tools show it in hexadecimal as 02A7.

In short

Incorrect information relating to charging or engine start.

Applies to: CMS1 (CMS)

What does Scania CMS fault code 679 mean?

What causes Scania DTC 679?

What are the symptoms?

How to fix Scania CMS fault code 679?

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.

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

Code 679 in other Scania systems

Compare code 679 in every system →