Scania TMS DTC 1798 Planetary clutch, poor performance

TMS Transmission Management System · Scania

Code 1798 (decimal). Some diagnostic tools show it in hexadecimal as 0706.

In short

Significantly impaired performance of the planetary clutch.

Applies to: TMS3 (TMS)

What does Scania TMS fault code 1798 mean?

What causes Scania DTC 1798?

How does the system react?

What are the symptoms?

How to fix Scania TMS fault code 1798?

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 1798 in other Scania systems