Scania EMS DTC 53509 Incorrect signal for the brake pedal

EMS Engine Management System · Scania · 2 variants

Code 53509 (decimal). Some diagnostic tools show it in hexadecimal as D105.

In short

The engine control unit received a message via CAN about an incorrect signal for the brake pedal.

Variant 1

Applies to: EMS S7EMS S8EMS S8 (S8PDE)

What does Scania EMS fault code 53509 mean?

What causes Scania DTC 53509?

How to fix Scania EMS fault code 53509?

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Variant 2: Cruise control (COO) timeout of CAN signal Brakeswitch

Applies to: EMS10

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

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