Scania ABS DTC 291 TC control

ABS Anti-lock Braking System · Scania

Code 291 (decimal). Some diagnostic tools show it in hexadecimal as 0123.

In short

The supply voltage has been above the permitted level.

Applies to: ABS E

What does Scania ABS fault code 291 mean?

The supply voltage has been above the permitted level.

What causes Scania DTC 291?

The TC valve or its wiring has been exposed to undesirable positive voltage through a short circuit.

How does the system react?

TC and hill hold function cease to function, if applicable.

How to fix Scania ABS fault code 291?

  1. Check the wiring.
  2. The voltage between pin B16 and earth must be 0 volt.

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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