Scania BWS DTC 17 No CAN message

BWS BWS control unit · Scania

Code 17 (decimal). Some diagnostic tools show it in hexadecimal as 0011.

In short

Fault on the CAN communication on the external CAN bus.

Applies to: BWS1

What does Scania BWS fault code 17 mean?

Fault on the CAN communication on the external CAN bus.

What causes Scania DTC 17?

There is a short circuit on the external CAN bus. Incorrect communication speed used on the external CAN bus.

How does the system react?

All communication on the external CAN bus is lost. As long as communication is broken, all the user functions controlled via the external CAN bus will be deactivated. This fault code is not generated if the vehicle has been turned off, i.e. if the starter key is in locked or radio position. If there is a break in the external CAN bus no fault codes will be set.

How to fix Scania BWS fault code 17?

  1. Check the external CAN bus according to the work description for communication problems on the CAN buses.
  2. Check the connection between the external CAN bus and the bodywork control unit.

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

Code 17 in other Scania systems

Compare code 17 in every system →