Scania TMS DTC 29952 Open circuit in solenoid valve for operating the freewheeling retarder.

TMS Transmission Management System · Scania · 2 variants

Code 29952 (decimal). Some diagnostic tools show it in hexadecimal as 7500.

In short

Open circuit in solenoid valve for freewheeling retarder operation.

Variant 1

Applies to: TMS1

What does Scania TMS fault code 29952 mean?

What causes Scania DTC 29952?

How does the system react?

How to fix Scania TMS fault code 29952?

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

Applies to: TMS2 (TMS)

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

Code 29952 in other Scania systems