Scania SRR DTC 14647812 Missing CAN message from the DAS control unit

SRR SRR control unit · Scania

Code 14647812 (decimal). Some diagnostic tools show it in hexadecimal as DF8204.

In short

The CAN message about current status from the DAS control unit is missing.

Applies to: SRR1 (SRRFL)SRR1 (SRRFR)SRR1 (SRRRL)SRR1 (SRRRR)

What does Scania SRR fault code 14647812 mean?

The CAN message about current status from the DAS control unit is missing.

What causes Scania DTC 14647812?

- Open circuit in voltage supply to DAS control unit. - The DAS control unit is not connected to the CAN network. - Fault in the CAN bus.

How does the system react?

- The functionality of the short-range radar is degraded. - The control unit can be restarted or switched off.

What are the symptoms?

Functions dependent on the short-range radar system may not be working correctly.

How to fix Scania SRR fault code 14647812?

  1. Note: In certain cases, the fault code may be activated incorrectly after starting up and be displayed as inactive.
  2. In these cases, the fault code can be ignored.
  3. Turn the power off and on with the starter key.
  4. Check the fault codes in the DAS control unit.
  5. If no fault codes can be read from the DAS control unit:
  6. Check the voltage supply and 15 voltage to the DAS control unit.
  7. Check the DAS control unit connection to the CAN network.
  8. Check the termination resistor, voltage and load on the CAN bus.

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