Scania TMS DTC 29953 Solenoid valve for operating freewheeling retarder

TMS Transmission Management System · Scania · 2 variants

Code 29953 (decimal). Some diagnostic tools show it in hexadecimal as 7501.

In short

Solenoid valve for operating the freewheeling retarder is short-circuited to 30 voltage +24 V.

Variant 1

Applies to: TMS1

What does Scania TMS fault code 29953 mean?

What causes Scania DTC 29953?

How does the system react?

How to fix Scania TMS fault code 29953?

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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 29953 in other Scania systems