Scania TMS DTC 1709 Retarder proportional valve stuck

TMS Transmission Management System · Scania · 2 variants

Code 1709 (decimal). Some diagnostic tools show it in hexadecimal as 06AD.

In short

The control system indicates that the value for the proportional valve reconnection current is constant.

Variant 1

Applies to: TMS3 (TMS)

What does Scania TMS fault code 1709 mean?

What causes Scania DTC 1709?

What are the symptoms?

How to fix Scania TMS fault code 1709?

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.

Variant 2: Not valid for TMS4 - Proportional valve of retarder - Current feedback value stuck

Applies to: TMS4 (TMS)

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